Introduction: Aibim, a Wanplas Factory for Ultra-Small Vials

A 3ml injection blow molding machine is the most reliable way to manufacture ultra-small eye drop vials with the wall-thickness uniformity, neck precision, and cosmetic surface quality that ophthalmic packaging demands. Aibim, a Wanplas factory, has spent more than twelve years building injection (stretch) blow molding machines and molds, and its three-station, one-step IBM series covers the full volume range from 3ml up to 1000ml. For pharmaceutical and eye-care producers who need millions of identical small dropper bottles every month, the difference between a good machine and a great one shows up at the 3ml scale, where a fraction of a millimeter of wall variation can change the drop size, the seal integrity, and the patient experience.

This guide explains how a 3ml injection blow molding machine works, why injection blow molding beats extrusion blow molding for eye drop vials, which Aibim models fit a small-vial line, what tolerances and outputs you should expect, which materials are qualified, and how Aibim backs the equipment with Wanplas group service. By the end you will be able to specify a machine configuration, choose cavity count, and request a tailored quotation with confidence. We reference the real IBM55 Hybrid Electric, IBM65, and IBM75 machines, their standard specifications, and the Wanplas shared policy of USD 500 free parts per year.

The ophthalmic market keeps growing as populations age and self-administered treatments expand, so the 3ml dropper bottle has become one of the highest-volume small containers in the pharmaceutical supply chain. Producing it well requires repeatable precision at a scale where conventional blow molding struggles. Aibim solves this with a purpose-built IBM platform that injects a parison, conditions it, and blows it in a single indexed cycle, eliminating the flash, weld line, and wall-thickness drift that plague smaller hollow parts made on other processes.

Aibim brings more than twelve years of plastic machine manufacturing experience to this niche, with roughly twenty years of accumulated know-how in injection blow molding specifically. The factory serves more than forty countries, builds above one hundred IBM lines per year, and runs its own CNC center so that machine parts and tooling are made in-house rather than outsourced. A new production facility purchased in 2022 expanded capacity and let Aibim standardize the single-crossbeam, double-pole clamping framework across the IBM55, IBM65, and IBM75. As part of the Wanplas group, Aibim also inherits the parent brand’s shared quality promises and its open-factory, customer-first service culture, which matters when a pharmaceutical buyer must audit a supplier before awarding a qualified container contract.

What Is a 3ml Injection Blow Molding Machine?

A 3ml injection blow molding machine is a three-station, one-step hollow molding system that first injects a precise parison (a threaded, pre-shaped tube) and then blows it into a finished 3ml bottle inside the same machine, without reclosing, reheating, or secondary trimming. It is purpose-built for containers where neck finish accuracy and uniform wall thickness matter more than maximum output volume.

The Three-Station One-Step IBM Process

Injection blow molding combines injection molding and blow molding into a single indexed sequence. The machine rotates a core rod through three stations so that each part is handled in a controlled, repeatable way:

• Station 1 — Injection: The plastic melt is injected around a temperature-controlled core rod to form a parison with the finished bottle neck, threads, and a small tubular body. Because the neck is molded, not cut or blown, the thread and sealing surface are net-shape and dimensionally tight.
• Station 2 — Conditioning and transfer: The parison on the core rod is transferred to the blow station. For an IBM machine the parison temperature is already correct, so there is no separate reheating step as in stretch blow molding. This is what makes the process truly one-step.
• Station 3 — Blow: Compressed air expands the parison against a cooled blow cavity to form the 3ml body. The finished vial is then stripped from the core rod. Aibim uses a long-distance digital laser sensor at the stripper station to confirm safe mold position before ejection.

Because the bottle is created entirely inside a closed mold set, there is no flash to trim, no scrap neck, and no handled bottle neck to distort. For a 3ml eye drop vial this is decisive: the dropper tip and the threaded closure seat must be concentric and smooth, and only an injected neck delivers that consistently.

Why IBM for Ultra-Small Vials (Compared With Other Blow Processes)

Compared with extrusion blow molding, injection blow molding removes the parison cut and the flash line, so the 3ml bottle keeps a clean, flash-free body and a precise neck. Compared with injection stretch blow molding, IBM needs no preform reheating and handles wider materials including LDPE and PP, which do not orient well in stretch processes. The trade-off is that IBM is best for small, neck-critical containers rather than very large bottles, which is exactly the 3ml to 1000ml range Aibim targets.

Process	Neck finish accuracy	Flash / scrap	Best volume range	Typical materials
Injection blow molding (IBM)	Very High	None (flash-free)	3ml to 1000ml	LDPE, HDPE, PP, PS, SAN, PC, PCTG, TPU
Extrusion blow molding (EBM)	Medium	Flash at parting line, neck trim	20ml to 1500L	PE, PP, PVC, PC, TPU
Injection stretch blow molding (ISBM)	High	None	10ml to 3000ml	PET, PP, PA (needs orientation)

The table above is a technology comparison only. Aibim positions IBM for the small, precise, neck-critical container where ophthalmic and pharmaceutical quality rules apply. From a total-cost view, IBM carries a Medium to High acquisition level against a cost index where the IBM55 Hybrid Electric is set at 100 as the baseline, the IBM65 sits slightly above it, and the IBM75 reflects its larger frame and higher output class. What offsets that level is the elimination of flash and neck-trim scrap, the Very High neck consistency that cuts inspection load, and the at-least 35 percent energy saving that lowers the per-vial operating cost. For a 3ml program running two shifts, the saved material and energy typically move the machine from a Premium first-cost perception to a Low lifetime cost-per-unit outcome.

Key Specifications for 3ml Eye Drop Vial Production

Choosing a 3ml injection blow molding machine means reading the specification sheet against three real constraints: the vial must be tiny yet consistent, the neck must seal a dropper cap, and the line must run at pharmaceutical hygiene and traceability levels. The four specifications below decide whether a machine will deliver.

Clamping Force and Mold Setting Space

Clamping force holds the blow and injection molds closed against melt and air pressure. Aibim uses a single-crossbeam, double-pole clamping framework that enlarges mold setting space, which matters for multi-cavity small-vial tooling. For 3ml vials, clamping force of 55 to 75 metric ton covers single to multi-cavity layouts without over-sizing the footprint. The enlarged platen space also simplifies cooling-line routing and robot take-out for clean-room integration.

Cavity Count and Shot Control

The injection unit must deliver a precise, repeatable shot to each cavity. Because a 3ml vial uses only a few grams of material, shot-to-shot consistency drives wall uniformity. Aibim machines use a servo-driven plasticizing and injection control with an SD card for recipe storage, so a validated 3ml parameter set can be copied across machines without re-tuning. Cavity count for 3ml vials typically runs from 4 up to 16 depending on the model, which is detailed in the cavity and output section below.

Injection Precision and Pressure Control

Precision begins at the parison. Aibim’s PREFILL hydraulics and variable displacement pump pressurizing reduce pressure shock and improve repeatability, which keeps the parison weight within a tight band. Tighter parison weight control means tighter finished-wall control, and that is the core of high-precision 3ml production. Combined with closed-loop temperature control on the core rod and cavity, the machine holds the drop-to-drop consistency that ophthalmic filling lines require.

Dimensional Tolerance Capability

A 3ml eye drop vial is judged on neck inner diameter, thread pitch, body diameter, and wall thickness. Aibim IBM machines routinely hold neck-related features to a few hundredths of a millimeter and body wall thickness variation within a low single-digit percentage of nominal wall. The tolerance table in the vial specification section translates these into concrete numbers you can put on a drawing.

Aibim Small-Vial Machine Lineup: IBM55, IBM65, IBM75

Aibim offers three core IBM models that all serve the 3ml to 1000ml range. The numbering reflects the clamping framework class, and each model scales cavity count and output for different production volumes. All three share the Wanplas-built quality standard, the PREFILL hydraulic concept, CE-certified safety, and at least 35 percent energy saving versus conventional hydraulic machines.

IBM55 Hybrid Electric Injection Blow Molding Machine

The IBM55 Hybrid Electric is Aibim’s most efficient small-vial platform. Its hybrid electric servo drive reduces energy use and improves repeatability, which is valuable for 3ml eye drop vials produced in long, uninterrupted campaigns. It is the right choice when clean energy use, low heat load, and tight shot control matter most.

Specification	IBM55 Hybrid Electric
Clamping framework class	55 ton (single-crossbeam, double-pole)
Container volume range	3ml to 500ml
Typical 3ml cavity count	8 to 16 cavities
Drive type	Hybrid electric servo (hydraulic assist)
Processable materials	LDPE, HDPE, PP, PS, SAN, PC, PCTG, TPU
Energy saving versus conventional hydraulic	Minimum 35 percent
Parameter storage	SD card recipe transfer across machines
Safety	CE certified, light curtain, laser stripper sensor
Best fit	High-volume 3ml eye drop and ophthalmic vials

IBM65 Injection Blow Molding Machine

The IBM65 is the balanced mid-class workhorse. It carries more clamping and platen space than the IBM55, supporting more cavities or larger multi-cavity 3ml to 250ml tooling, and it remains compact enough for a pharmaceutical clean-room cell. It suits producers scaling from pilot to full commercial volume.

Specification	IBM65
Clamping framework class	65 ton (single-crossbeam, double-pole)
Container volume range	3ml to 500ml
Typical 3ml cavity count	8 to 16 cavities
Drive type	Servo-hydraulic with PREFILL pump
Processable materials	LDPE, HDPE, PP, PS, SAN, PC, PCTG, TPU
Energy saving versus conventional hydraulic	Minimum 35 percent
Parameter storage	SD card recipe transfer across machines
Safety	CE certified, light curtain, laser stripper sensor
Best fit	Mid-volume 3ml to 100ml pharmaceutical and cosmetic vials

IBM75 Injection Blow Molding Machine

The IBM75 is the largest of the three and the most flexible for multi-cavity small vials or mixed 3ml to 1000ml production. Its bigger platens accept wider mold bases, useful when you run several vial sizes on one frame. It is the preferred model for contract manufacturers serving many pharmaceutical customers from one line.

Specification	IBM75
Clamping framework class	75 ton (single-crossbeam, double-pole)
Container volume range	3ml to 1000ml
Typical 3ml cavity count	10 to 16 cavities
Drive type	Servo-hydraulic with PREFILL pump
Processable materials	LDPE, HDPE, PP, PS, SAN, PC, PCTG, TPU
Energy saving versus conventional hydraulic	Minimum 35 percent
Parameter storage	SD card recipe transfer across machines
Safety	CE certified, light curtain, laser stripper sensor
Best fit	Multi-product lines, 3ml to 1000ml flexibility

All three models are built in Aibim’s own factory, which operates a CNC center for machine parts production and moved into a new production facility in 2022 with an annual capacity above 100 lines. The models share mold-standard dimensions where practical, so a validated 3ml tool can often be transferred between frames with minimal rework.

3ml Eye Drop Vial Specifications and Quality Targets

A 3ml eye drop vial is a precision dispensing container, not a simple bottle. The dropper tip, the thread, and the body wall must meet targets that protect the drug, control the drop, and survive filling and capping. The table below lists typical 3ml vial characteristics a buyer should specify when ordering tooling.

Vial characteristic	Typical 3ml target	Why it matters
Nominal fill volume	3ml (often 5ml overflow)	Matches ophthalmic dose regimen
Body diameter	18mm to 22mm	Fits hand, label, and carton
Body height	45mm to 60mm	Shelf and shipper fit
Neck finish	Injected screw thread, 13mm to 18mm	Seals dropper or CRC closure
Nominal wall thickness	0.5mm to 0.8mm	Strength vs material use
Surface	Flash-free, gloss or matte	Brand and inspection
Closure type	Dropper cap or tamper-evident screw	Controlled dispensing

Wall Thickness and Dimensional Tolerance

For a 3ml vial, wall uniformity is the single most important quality metric because it governs drop size and burst resistance. The tolerance table below shows the capability Aibim IBM machines deliver on a well-designed 3ml tool. These are machine-process capabilities; the final number depends on mold quality, material, and cooling.

Dimension	Process capability	Note
Neck inner diameter	plus or minus 0.05mm	Closure seal critical
Thread pitch and profile	plus or minus 0.03mm	Injected net-shape
Body outer diameter	plus or minus 0.10mm	Label and carton fit
Wall thickness variation	within 8 percent of nominal	Controlled by parison weight
Part weight (3ml LDPE)	plus or minus 2 percent	Material and cost control
Concentricity (neck to body)	plus or minus 0.15mm	Dropper alignment

These tolerances are achieved through injected-neck IBM geometry plus Aibim’s PREFILL pressure control and closed-loop core-rod temperature. They are the reason an ophthalmic filler can run a 3ml vial without 100 percent neck inspection.

Material Options for 3ml Eye Drop Vials (LDPE, PP and More)

Aibim IBM machines process a broad resin set, which lets a pharmaceutical packer match material to drug compatibility, drop feel, and cost. For 3ml eye drop vials the two most common choices are LDPE and PP, with specialty resins used for premium or regulated packs. The wide compatibility is a direct benefit of the one-step IBM cycle: because there is no stretch orientation step, materials that do not draw well in stretch blow molding, such as LDPE, run naturally and keep their soft squeeze. A packer can therefore choose the polymer for the drug and the patient rather than for the limitations of the machine, which is the opposite of the constraint imposed by orientation-based processes.

Material	Squeeze and drop feel	Clarity	Chemical resistance	Typical use in 3ml vials
LDPE	Soft, easy squeeze	Hazy	Good for many actives	Standard eye drop and nasal dropper
HDPE	Firmer squeeze	Hazy	Very good	Light-sensitive or robust packs
PP	Firmer, springy	Hazy to clear	Excellent, higher temperature	Sterilizable, autoclave-adjacent packs
PS	Rigid	Clear	Moderate	Sampling and diagnostic vials
PC / PCTG	Rigid, tough	Clear	Good	Premium clear ophthalmic
SAN	Rigid	Clear	Good	Diagnostic and lab droppers

LDPE vs PP for Ophthalmic Packaging

LDPE is the traditional eye drop material because its low modulus gives a soft, controlled squeeze and a consistent drop. PP is chosen when higher temperature resistance, better barrier, or autoclave compatibility is needed, and it can be clarified for a more premium look. Both run well on Aibim IBM machines; the choice is driven by the drug master file and the filling line rather than by machine limitation.

Regulatory and Compliance Notes

Ophthalmic containers are medical-grade packaging, so material selection should follow the relevant pharmacopoeia and food-contact rules. Common references include United States Pharmacopeia Class VI, ISO 10993 for biological evaluation of medical devices, FDA food-contact provisions, and EU 10/2011 for plastic materials intended to contact food or similar simulants. Aibim supplies machines and tooling advice; the material grade and the extractable-leachable study remain the packer’s responsibility and must be confirmed with official test reports before commercial use.

Cavity Configuration and Output for 3ml Vials

Output for a 3ml injection blow molding machine is set by cavity count and cycle time. Because the part is tiny, cycle time is short, and multi-cavity tooling drives hourly volume. The table below shows representative output for Aibim models at a typical 3ml cycle; actual numbers depend on material, wall, cooling, and automation.

Model	3ml cavities	Typical cycle (seconds)	Estimated vials per hour	Estimated vials per year (two-shift)
IBM55 Hybrid Electric	8	9 to 12	2,400 to 3,200	12M to 16M
IBM55 Hybrid Electric	16	10 to 13	4,400 to 5,800	22M to 29M
IBM65	12	9 to 12	3,600 to 4,800	18M to 24M
IBM75	16	10 to 13	4,400 to 5,800	22M to 29M

These figures assume a two-shift operation and standard cooling; they are planning estimates, not guarantees, and Aibim validates output during a factory acceptance trial on the customer’s mold and resin. Cavity count also affects scrap and tooling cost, so the selection section below maps requirement to model. Beyond raw volume, the cavity decision changes validation effort: an 8-cavity mold is cheaper to prove and spare, while a 16-cavity mold halves the number of machines needed for the same annual output and therefore halves the floor space, utilities, and operator roles. For a greenfield ophthalmic line, the 16-cavity choice on an IBM55 or IBM75 is usually the more efficient plant, provided cooling capacity and clean-room air handling are sized for the higher machine count per square meter.

Precision Technology: PREFILL Hydraulics, Energy Saving, CE Safety

Aibim’s precision reputation rests on three bundled technologies. Together they keep the 3ml vial consistent, the line efficient, and the operator safe.

PREFILL Technology and Variable Displacement Pump

Aibim uses a unique PREFILL technology together with a variable displacement pump pressurizing system in the hydraulic circuit. The PREFILL function pre-fills the clamp cylinder at low pressure so the high-pressure pump only does the final tonnage work, cutting pressure shock and energy spikes. The result is smoother clamp motion, less parison distortion, and repeatable shot control, which is exactly what a 3ml vial needs.

Energy Saving: Minimum 35 Percent Reduction

Compared with conventional hydraulic IBM machines, Aibim’s servo-hydraulic and hybrid-electric designs save at least 35 percent of energy. On a 3ml line running continuously, that reduction lowers the cost per vial and the heat load on the room, which helps clean-room and air-conditioning budgets. The IBM55 Hybrid Electric leads on this metric because the electric servo replaces hydraulic flow during idle and metering phases.

CE Certified Safety: Light Curtain and Laser Sensor

Safety is built into the machine, not added later. The stripper station uses a long-distance digital laser sensor to confirm mold and stripper position before ejection, and a light curtain guards the operator zone. The machine is CE certified, which supports export and pharmaceutical site qualification in regulated markets. Because the three-station index moves a hot core rod between stations, the laser and light-curtain combination prevents a misfeed from becoming a pinch or a burn, and it also protects the tooling from a clash that would otherwise scrap a multi-cavity mold. For a 3ml line the protected asset is small but the downtime from a damaged 16-cavity set is not, so the safety system doubles as a production safeguard.

Application Industries: Pharmaceutical and Eye Care

Aibim IBM machines serve the fields the factory was built for: pharmaceutics, food, drink, and cosmetic. The 3ml vial is strongest in pharmaceutical and eye care, but it also serves adjacent small-dose markets. In practice the same machine that makes an eye drop bottle in the morning can make an oral-dose dropper or a diagnostic vial in the afternoon, because the process family stays identical and only the mold and resin change. That flexibility is why a single IBM line can serve a diversified packer without re-qualifying a new technology for every product, and why contract manufacturers value the 3ml to 1000ml range when bidding for multiple pharmaceutical customers from one validated cell.

Pharmaceutical Packaging: Ophthalmic, Oral, and Nasal

The dominant use of a 3ml injection blow molding machine is ophthalmic solution in dropper bottles, but the same precision serves oral drops, pediatric doses, and nasal sprays where a small, accurate, sealed container is required. The flash-free injected neck accepts tamper-evident and child-resistant closures that regulators expect for medicines.

Eye Care and Ophthalmic Dropper Bottles

Eye drop vials demand a soft, repeatable squeeze and a clean dropper tip. LDPE on an Aibim IBM machine delivers both, with wall uniformity that keeps drop volume stable across a batch. For preservative-free formats, the same line can produce unit-dose or low-volume packs by changing cavity and volume settings rather than the process family.

Cosmetic and Personal Care Samples

Beyond pharma, 3ml to 10ml IBM vials are used for serum samples, travel eyelash serum, and premium single-dose skincare. The clear PC, PCTG, or SAN options give a high-value look, while the process keeps the bottle flash-free and ready to fill without trimming.

Quality Control and Defect Prevention for 3ml Vials

At the 3ml scale, quality control is less about catching bad parts and more about preventing variation at the source. Because the vial wall is thin and the neck is the sealing surface, a small process drift becomes a visible defect quickly. Aibim’s IBM architecture prevents most defects by design: the injected parison removes flash, the single indexed core rod removes orientation error, and the closed mold removes post-mold handling. The remaining risks are material, cooling, and pressure related, and they are managed with in-process monitoring rather than end-of-line sorting.

In-Process Monitoring and Metrology

A production-ready 3ml line pairs the IBM machine with weighing, vision, and leak checks. The SD card recipe lock keeps the parison weight steady, an in-line checkweigher confirms part weight per cavity, and a vision station inspects the injected neck and dropper tip. For ophthalmic packs, a statistical sampling of closure torque and drop volume validates the container before filling. Because the neck is molded net-shape, vision concentrates on the thread and the tip rather than on trimming defects that do not exist on an IBM part.

Common Defects and Their Root Causes

Even on a precise IBM machine, a few defects can appear if the process window is not held. The table below maps the usual 3ml vial problems to their causes and the Aibim-corrective action, so a technician can resolve them without trial and error.

Defect	Likely cause	Corrective action on Aibim IBM
Wall thickness drift	Parison weight variation, uneven core-rod heat	Re-lock SD recipe, check closed-loop core-rod temperature
Neck ovality	Core rod misalignment, low clamp tonnage	Verify double-pole clamp setting, inspect core rod
Dropper tip blemish	Blow air contamination, cavity deposit	Filter compressed air, clean and polish cavity
Surface splay or silver	Moisture in resin, over-high melt heat	Pre-dry material, lower barrel temperature zone
Part sticking at stripper	Stripper timing, ejector sensor fault	Confirm laser sensor signal, adjust stripper stroke

Clean Manufacturing and Documentation

Pharmaceutical vials are often filled in controlled environments, so the container process should support that standard. Aibim machines run without flash and without trim dust, which lowers particulates at the press. Recipe documentation, cavity mapping, and the factory acceptance report form the baseline dossier a quality team needs for change control. When a second line is added, copying the validated recipe by SD card keeps both lines within the same process window, which simplifies ongoing qualification and audit.

How to Choose the Right 3ml IBM Machine

Selection starts from volume, material, and site constraints. The table below maps a typical requirement to an Aibim model so you can shortlist before requesting a quote.

Requirement	Recommended Aibim model	Reason
Pilot or low volume, 3ml to 100ml	IBM55 Hybrid Electric	Lowest energy, compact, clean
Mid commercial volume, mixed small vials	IBM65	Balanced clamp and platen space
High volume, single 3ml SKU	IBM55 or IBM75, 16 cavities	Max cavities, max uptime
Contract manufacture, many sizes	IBM75	3ml to 1000ml flexibility
Clean-room, energy-first site	IBM55 Hybrid Electric	Hybrid drive, low heat load

Decision Checklist

• Confirm annual volume and shifts to set cavity count (8, 12, or 16).
• Fix the material (LDPE default, PP if heat or barrier needed, clear resin for premium).
• Define the neck finish and closure so the injected thread matches your cap.
• Choose model by platen space and energy target, not just price.
• Plan clean-room integration, take-out, and inline inspection early.
• Ask Aibim for a factory acceptance trial on your resin and mold.

Common Mistakes to Avoid

• Over-sizing clamping force, which wastes floor space and energy without improving the 3ml part.
• Choosing a process by price alone and accepting flash or neck trim that raises inspection cost.
• Forgetting material qualification; the machine is capable, but the resin grade must be approved.
• Under-specifying cooling, which limits cycle time and therefore output on a tiny part.
• Skipping recipe documentation; use the SD card to lock the validated 3ml parameter set.

Service and Support from Aibim (Wanplas)

Because Aibim is a Wanplas factory, every machine carries the Wanplas group service promises as well as Aibim’s own IBM expertise. The support model is built for pharmaceutical buyers who need documentation, training, and continuity.

Warranty and Free Parts Policy

Aibim provides Wanplas’s shared after-sales policy, including USD 500 free parts per year and free replacement of damaged parts within the warranty period. This lowers the cost of ownership for a 3ml line that runs long campaigns and keeps a spare-parts buffer without a large upfront spend. The Wanplas quality standard also includes a production-capacity guarantee and a quality standard commitment.

Installation, Commissioning, and Training

Aibim engineers support installation and commissioning, help validate the first commercial run on your resin and mold, and train operators and maintenance staff. Because Aibim runs its own CNC center and builds the IBM machines in-house, spare parts and tooling follow-up are fast. Recipe transfer via SD card shortens changeover when you add a second line.

Open Factory and Trial Runs

Following the Wanplas open-factory policy, Aibim welcomes customer visits to inspect the build, watch a 3ml trial, and audit the production system before purchase. A witnessed factory acceptance test on your actual mold and material is the best way to confirm tolerance and output claims before shipment.

Frequently Asked Questions

Conclusion

A 3ml injection blow molding machine is the correct technology when an ultra-small eye drop vial must be precise, flash-free, and consistent at volume. Aibim, a Wanplas factory, delivers this through its three-station, one-step IBM platform: the IBM55 Hybrid Electric, IBM65, and IBM75, all built with PREFILL hydraulics, at least 35 percent energy saving, CE-certified safety, and an injected-neck geometry that holds tight tolerances on 3ml to 1000ml containers.

For ophthalmic and pharmaceutical producers, the practical path is clear: choose cavity count by annual volume, select LDPE or PP by drug and filling needs, and validate the tool on an Aibim factory acceptance trial. Backed by the Wanplas group policy of USD 500 free parts per year and full installation, training, and open-factory support, a 3ml IBM line is a low-risk route to high-precision small vial production.

If you are planning a 3ml eye drop vial project, send your target volume, material, and closure drawing to Aibim for a tailored machine and mold configuration, a factory visit, and a sample trial run on your resin. The Aibim and Wanplas teams will help you specify the right IBM model and confirm tolerance and output before you commit.