Custom Plastic Mold Manufacturing
Packaging Molds Built for Stable Production
Pinhemold designs and manufactures cap molds, PET preform molds, blow molds, thin wall molds, medical packaging molds, and cosmetic packaging molds for overseas production projects.
For Faster Quotation
Send these details and we can review the mold structure more accurately.
- 2D or 3D product drawing
- Material and product weight
- Cavity count or output target
- Machine model or line plan
Mold Types
Choose the Mold Type That Matches Your Product
Each mold is designed around your product shape, material, output target, machine type, and expected production life.
Cap Molds
For water caps, beverage caps, flip-top caps, oil caps, cosmetic caps, and custom closures.
- Multi-cavity structure support
- Thread, sealing, and tamper-evident design
- Cooling and ejection for stable cycle time
PET Preform Molds
For beverage bottles, water bottles, cosmetic bottles, wide-mouth jars, and custom PET containers.
- Balanced cavity cooling
- Preform weight and neck finish control
- Designed for consistent bottle blowing
Blow Molds
For PET bottles, jars, cosmetic packaging, daily chemical bottles, and custom container shapes.
- Stable bottle appearance
- Wall thickness and parting line control
- Matched with semi-auto or automatic machines
Thin Wall Molds
For food containers, disposable boxes, cups, lids, and thin wall packaging products.
- Fast filling and short cycle design
- Balanced cooling for thin parts
- High-volume production support
Medical & Pharmaceutical Molds
For medical disposables, medicine packaging, labware, and healthcare plastic components.
- Tight dimensional control
- Clean product structure planning
- Sample and material documentation support
Cosmetic Packaging Molds
For cosmetic bottles, jars, caps, closures, personal care packaging, and branded plastic parts.
- Appearance and surface finish control
- Custom shape and branding support
- Matched with injection or blow molding lines
Engineering Support
We Review the Product Before We Cut Steel
A mold project can fail because of small details: wall thickness, cooling, shrinkage, sealing, thread fit, bottle blowing performance, or ejection. Our engineering review helps reduce those risks before manufacturing starts.
- DFM review: product structure, material, tolerance, and production risks
- Mold structure: cavity layout, runner system, cooling, ejection, and inserts
- Production match: mold design matched with the machine and target output
Common Mold Project Inputs
To quote accurately, we usually need:
- 2D or 3D product drawing
- Sample photos or existing product reference
- Material and product weight target
- Cavity count or expected daily output
- Machine model or production line plan
- Surface, logo, color, and packing requirements
Manufacturing Workflow
From Drawing Review to Trial Samples
Your project moves through clear checkpoints, so your purchasing and engineering teams can follow progress before shipment.
Requirement Review
We confirm product drawings, material, output target, mold type, and quotation details.
Mold Design
We design the cavity layout, cooling, runner, ejection, and key mold components.
Machining & Assembly
CNC, EDM, wire cutting, polishing, fitting, and assembly are checked during production.
Trial & Approval
We run mold trials, provide sample parts, make adjustments, and prepare export packing.
Need Help Choosing the Right Mold?
Send us your product drawing, sample photo, or production target. We will review the product and recommend a practical mold structure and machine match.
- Cap, preform, blow, thin wall, medical, or cosmetic mold selection
- Cavity count and mold structure suggestion
- Machine and auxiliary equipment matching
- Quotation with key project details
Quality Focus
Mold Quality Is Checked Before Shipment
We check mold steel, machining accuracy, assembly fit, part movement, sample appearance, and packing details before export. Trial samples can be sent for your approval before final shipment.
- Mold trial: sample molding and production issue check
- Sample review: appearance, fit, weight, and functional checks
- Documentation: trial notes, sample photos, and packing checklist available
FAQ
Mold Buying Questions
Can you quote if we only have samples?
Yes. We can start with sample photos and product measurements, then discuss reverse engineering and mold design requirements.
Can you help choose the cavity count?
Yes. We can suggest cavity count based on product size, output target, machine size, budget, and expected cycle time.
Do you provide mold trial samples?
Yes. We run mold trials before shipment and provide sample parts for your approval. Adjustments can be made after trial results.
Can you supply machines with molds?
Yes. For packaging projects, we can help match molds with injection molding machines, blow molding machines, filling, labeling, and auxiliary equipment.
Start Your Mold Project
Send Your Drawing, Sample Photo, or Production Target
We will review your product, confirm the mold type, identify key production risks, and prepare a practical quotation for your project.
Request a Mold Quote