Custom Pharmaceutical Plastic Packaging Bottles

Custom plastic bottles developed around your packaging specifications, selected materials, closure requirements, and intended application.

This page sets out what we manufacture, what is confirmed per project, and what we do not claim — so packaging and procurement teams can judge fit before sending drawings. For pharmaceutical projects, container and closure suitability for your drug product is evaluated by your regulatory team; our role is the bottle, the closure, the process evidence and the documentation that supports it.

Injection molding services

The RFQ checklist on this page is shown in full. Select the text to reuse it, or use your browser's print / save-as-PDF — Goldcattle does not host downloadable files on this site.

Pharmaceutical packaging plastic bottles — white HDPE pill bottle with child-resistant cap, amber bottle and clear PET narrow-neck bottle — with caps beside them

Packaging-system focus

Bottle and closure developed as one system — neck finish, liner and cap verified together, not selected separately.

In-house tooling & molding

Mold making and injection molding performed in-house under our ISO 9001:2015 quality system.

Engineering-led review

Your drawing or reference sample is reviewed before commitment — feasibility, forming route and documentation scope confirmed first.

Products
Bottles & closureswide-mouth · narrow-neck · custom
Core action
Packaging project reviewdrawing or sample → quote
Evidence
Per-project documentationscope agreed in quality plan
Quality system
ISO 9001:2015OEM / ODM, in-house molds

What This Page Covers — and What It Does Not Claim

Custom pharmaceutical plastic packaging bottles are bottles and closures developed around a specific product's packaging requirements — material, capacity, neck finish, closure and documentation. Whether a bottle suits a given pharmaceutical product depends on the dosage form, resin grade, closure system and storage conditions; that suitability is evaluated per project, not assumed from the material name.

What we confirm

In-house mold making and injection molding under our ISO 9001:2015 quality system, engineering-led review of your drawing or reference sample, sample production before production commitment, and lot traceability from material lot to shipment.

What is confirmed per project

Bottle type and forming route, resin grade and additives, closure system, documentation scope and order conditions — each agreed with you at engineering review and confirmed in the quality plan before production.

What we do not claim

Certifications for pharmaceutical packaging systems, controlled-environment production, validated sterilization compatibility, or generic specification and minimum-order figures that would need to be true for every bottle.

Why the boundaries are stated up front

Pharmaceutical packaging carries obligations that belong to the drug product's regulatory file, not to a component catalog. Stating what is confirmed per project — instead of publishing blanket compliance language — is how we keep this page useful to your regulatory and quality teams. If your project needs documentation beyond what is listed here, raise it at inquiry and we will confirm scope before quoting.

Product Range: Bottles and Closures We Develop

Four bottle and closure families cover most pharmaceutical and nutraceutical packaging projects: wide-mouth bottles for tablets and capsules, narrow-neck bottles for suitable liquid formulations, custom shapes and capacities developed against your drawing or reference sample, and the caps and sealing components that complete the packaging system.

Wide-mouth bottles for tablets and capsules

Packer-style bottles for solid dosage forms, where filling speed, desiccant or liner options and closure access matter. Developed against your fill process, not just the bottle geometry.

Narrow-neck bottles for suitable liquid formulations

For oral liquids and other products where the formulation and closure system suit a narrow-neck bottle — including drip-proof and dosing features where required.

Custom shapes and capacities

Bottles developed from your drawing or reference sample, including shape, capacity and feature integration. Feasibility and forming route are confirmed at engineering review before tooling.

Caps and sealing components

Closures, liners and seals produced as part of the packaging system. Cap and component molding is an in-house injection molding capability; compatibility with your filling and capping line is confirmed at review.

Material Options and Selection Logic

Resin selection starts from what the product needs — stiffness, clarity, barrier direction, chemical contact — not from a list of advantages. HDPE, PP and PET each suit different dosage forms, and the grade, additives and any light protection are confirmed against your product and documentation requirements.

Resin familyTypical fitBoundaries to confirm
HDPESolid-dose bottles for tablets and capsules; squeeze bottles for suitable liquid formulations. Good moisture barrier, stiffness and drop resistance.A moisture barrier does not imply an oxygen barrier — resin grade, wall structure and any gas-barrier need are evaluated per product. Light protection, where relevant, is addressed through grade or color.
PPSolid-dose bottles where stiffness and chemical resistance matter; suitable for a range of cap and component applications.Sterilization compatibility is grade- and process-specific — confirmed per project, never assumed from the resin name.
PETApplications where transparency is required, such as certain oral liquids.Clarity and barrier behavior differ by grade and processing route; suitability for a specific formulation is evaluated with your team, including any barrier or coating needs.

Resin certificates are tied to the production batch, and standard materials versus available grades are defined separately — grade availability is confirmed at quotation. Compatibility between the resin and your drug product is an evaluation your regulatory or quality team performs; our role is to supply the material documentation and process evidence that supports it.

Bottle Specifications and Customization

Every bottle parameter is confirmed against your drawing or reference sample at engineering review. We do not publish generic specification ranges, because a capacity or tolerance that is true for one bottle family is not automatically true for another.

ParameterWhat we confirmHow it is confirmed
Product typeBottle family matched to your dosage form and fill process.Against your drawing or reference sample at engineering review.
MaterialResin family and grade, additives and color.Confirmed per project, with certificates available for the production batch.
CapacityRequired fill capacity and its tolerance.Confirmed against your specification — not published as a generic range.
Dimensions and toleranceCritical dimensions and permitted deviation.Confirmed per feature, with the measurement method matched to the feature.
Neck finishNeck dimensions and thread form.Confirmed together with the closure design as one system.
ClosureCap type, liner and seal options.Confirmed with the bottle at engineering review, including capping compatibility.
CustomizationShape, color, decoration and dosing features.Evaluated against tooling, process and volume before quotation.
DocumentationThe file set available for your project.Scope agreed in the quality plan and confirmed before production.

Why no generic spec table: a specification range copied onto a page has to be true for every bottle it covers. Rather than publish numbers we cannot stand behind for your project, we confirm each parameter against your drawing or sample — that is what the engineering review is for.

Closures, Sealing and Packaging Compatibility

A bottle and its closure are one packaging system: neck finish, thread, liner and cap must be verified together. Tamper-evident and child-resistant features are requirement-driven and validated by test — they are not decorative options added to a catalog bottle.

  • Continuous-thread and compatible cap systems: thread form, engagement and removal torque confirmed against your filling line and end use.
  • Tamper-evident solutions: tear bands or rings where your product or market requires evidence of first opening — designed into the cap and verified at sample approval.
  • Child-resistant closures: supplied where applicable to your requirement and confirmed with the matching test framework — for US buyers this is typically evaluated against CPSC 16 CFR Part 1700, for EU markets against ISO 8317. Applicability and test scope are agreed per project.
  • Liners and induction sealing: liner material and induction-seal compatibility confirmed against the product, closure and filling process — a cap that fits dimensionally can still fail on seal performance.
  • Bottle-cap fit and capping: dimensional fit, alignment and capping behavior verified together, because the closure system is only as reliable as its weakest interface.
Close-up of a pharmaceutical bottle neck finish with threaded rim, tamper-evident ring on the cap and sealing liner beside calipers

Manufacturing Process: From Design to Production

Bottle production runs from packaging specification through mold design and making to forming, assembly and inspection. Mold making and injection molding are performed in-house; the bottle-body forming route for a given project is confirmed at engineering review, together with which steps are handled by partners.

1
Mold design

Cavity, neck finish and closure interface designed against your drawing or sample.

→
2
Mold making

Tooling manufactured in-house, including cap and component molds.

→
3
Bottle forming

Bottle-body forming route selected per project — confirmed at engineering review.

→
4
Caps & components

Closures and sealing components injection-molded in-house.

→
5
Assembly & sampling

Bottle, closure and liner verified together; samples for your evaluation.

→
6
Inspection & delivery

Batch inspection, lot traceability and agreed packaging to your destination.

In-house scope, stated honestly

Mold making and injection molding — including caps and components — are performed in-house as core processes. Bottle bodies are hollow-formed parts, and the forming route for a given bottle (and whether a specific route or step runs with a partner) is confirmed at engineering review before quotation. We would rather confirm the route for your bottle than describe a production line we have not verified for it.

Quality Control and Documentation

Quality evidence covers material identity, dimensional and visual inspection, bottle-closure fit, seal-integrity testing where the project requires it, and lot traceability — each with the method and report scope agreed in the quality plan.

Control pointWhat is verifiedEvidence
Material identity and specificationResin grade and lot against the agreed specification.Material certificates tied to the production batch.
Dimensional and visual inspectionCritical dimensions and appearance against agreed criteria.Inspection reports per the agreed sampling plan.
Bottle-closure fitThread engagement, alignment and capping performance.Fit-check results documented at sample approval.
Seal integritySeal performance where the project requires it — methods such as vacuum decay or pressure hold, applied per the quality plan.Test method, sample plan and results agreed in the quality plan.
Lot identification and traceabilityBatch identity from material lot through production to shipment.Lot records tied to the delivery.

The Frameworks Your Team Evaluates Against

US and EU buyers evaluate pharmaceutical packaging against defined frameworks — 21 CFR 211.94 for containers and closures, USP ⟨661.1⟩ and ⟨661.2⟩ for plastic materials and packaging systems, and the EMA guideline on plastic primary packaging materials. These are evaluation frameworks your team applies; we support them with project-specific documentation rather than compliance certificates.

FrameworkWhat it coversWhat it means for your project
21 CFR 211.94 (US)Drug product containers and closures — the container must not be reactive, additive or absorptive, must provide protection during storage and use, and must meet required cleaning and sterilization provisions where applicable.Your regulatory team assesses container-closure suitability for the specific drug product; we provide component and process documentation to support that assessment.
USP ⟨661.1⟩ / ⟨661.2⟩⟨661.1⟩ addresses plastic materials of construction; ⟨661.2⟩ addresses plastic packaging systems, treating components and closures as one system.Reference points for material and system information — obligations sit with the packaging-system evaluation, not with the resin name.
EMA plastic primary packaging guideline (EU)Requirements for plastic materials in direct contact with medicinal products for human and veterinary use.The guideline's scope is materials; your dossier team confirms what applies to your product and market.
FDA container closure system guidance (2026 draft)FDA guidance on container closure systems — currently published as a non-binding draft, not an effective requirement.Treated as direction of travel rather than a current obligation; we track it as a buyer-evaluation input.

Standards are not interchangeable

Food-contact regulations, biocompatibility evaluation under ISO 10993, and pharmaceutical packaging-system suitability are separate assessments with different scopes. A resin that satisfies food-contact requirements is not automatically suitable for a drug product, and we do not present these frameworks as equivalents — each is confirmed for your project by the team responsible for it.

Which Buyer Type Are You?

Pharmaceutical and nutraceutical packaging buyers arrive with different requirement sets. Both are served by the same bottle-and-closure engineering process — but the documentation scope and evaluation path differ, and it is set at the start of the project.

Pharmaceutical buyers

Drug-contact materials, packaging-system compatibility, seal integrity and storage protection, with documentation supporting your regulatory file. Component-level data comes from us; system suitability for the drug product is confirmed by your regulatory or quality team.

Nutraceutical and supplement buyers

Tablet, capsule and vitamin bottles where the priorities are specification, cap and liner options, appearance, cost, order conditions and supply stability. Requirements are typically commercial and specification-driven; documentation scope is confirmed per project.

What to Send With Your Packaging Inquiry

A complete inquiry gets an engineering answer faster. Seven items let our team assess feasibility, forming route, closure system and documentation scope — then quote with the schedule staged by gate.

ItemWhat to include
Bottle drawing or reference sample3D CAD and 2D drawings at a named revision (STEP, IGES, STL, DWG, DXF or PDF), or a physical sample to match.
Intended application and dosage formWhat the bottle holds and how it is filled and dispensed — this sets the bottle family and closure direction.
Required capacity and dimensionsFill capacity, critical dimensions and permitted deviation where defined.
Material and closure requirementsResin preference or requirement, cap type, liner and any tamper-evident or child-resistant features.
Target market and requested documentationDestination market and the file set you need with the parts — this sets the documentation scope in the quality plan.
Estimated quantity and scheduleEstimated order volume and target dates for samples and production.
Quality or regulatory requirementsAny applicable quality-system, inspection or regulatory requirements for your program.

Confidentiality: an NDA can be signed before drawings are exchanged — mention it with your inquiry and we will send it first. Drawings are used only for feasibility assessment, tooling and production on your project.

Frequently Asked Questions

Which plastic materials are available for pharmaceutical bottles?

HDPE, PP and PET are the resin families we develop bottles and closures from, with grade selection based on the dosage form, barrier needs, closure system and any documentation requirements. Material suitability for a specific drug product is evaluated per project — the resin name alone does not establish compatibility.

Can the bottle and cap be customized together?

Yes — bottle and closure are developed as one packaging system. Neck finish, cap thread, liner and any tamper-evident or child-resistant features are designed and verified together, because a closure that fits dimensionally can still fail on seal performance or capping behavior. The full set is confirmed at engineering review.

What information is required for a quotation?

The intended application and dosage form, required capacity and dimensions, material requirements, neck finish and closure type, target market and requested documentation, estimated order volume, and any available drawings or reference samples.

What documentation is available for drug-contact packaging?

We provide the documentation set agreed per project — typically material specifications and certificates, dimensional and inspection reports, and lot traceability records. Packaging-system suitability for your drug product, including any extractables, biocompatibility or stability evaluation, is confirmed by your regulatory or quality team; we support it with component-level data, not compliance certificates.

Can bottle samples be evaluated before production?

Yes. Sample orders can start from a single piece, and samples are produced for fit, closure and assembly evaluation before any production commitment. Sample approval is written, and production tooling follows your confirmation.

What determines MOQ, tooling cost and lead time?

Bottle type, material, closure system, customization level and order volume — there is no single figure that applies to every bottle. Tooling cost is driven by cavity count and geometry complexity, and the staged schedule is confirmed at quotation.

Planning a custom pharmaceutical bottle?

Send the drawing or reference sample, dosage form and closure requirements. Our engineering team reviews the bottle and closure as one packaging system, confirms the forming route and documentation scope with you, and quotes with the schedule staged by gate.

  • Packaging-system review — bottle and closure assessed together
  • Forming route and documentation scope confirmed per project
  • In-house mold making with written sample approval before production
Engineer Zhang, manufacturing engineer
Engineer Zhang
Manufacturing Engineering, Xiamen Goldcattle

Reviewed this page on 2026-10-21. Manufacturing scope, documentation and process practices follow our verified production capability; bottle type, forming route, material grade and documentation scope for your project are confirmed at engineering review. Technical and commercial questions are answered within 24 hours.

Related pages

Xiamen Goldcattle Plastic & Metal Products Co., Ltd. Founded in 1998 ISO 9001:2015 quality system OEM / ODM custom manufacturing

Recommended Reading