Custom Injection Molding from Tooling to Production
Machmaster helps turn plastic part designs into production-ready components. We coordinate mold development and run plastic injection molding in our own workshop, supporting prototype evaluation, low-volume orders, and repeat production.
8+
In-house molding machines
90–500T
Clamping Force Range
20 Years
Manufacturing experience
ISO 9001
Quality management
Injection Molding Capacity Built Around Your Project
Machmaster operates its own injection molding workshop in Xiamen, China. Our machine range supports different part sizes and production requirements. Mold development is coordinated through our internal machining capabilities and qualified tooling partners.
We review each project based on part design, material, tooling requirements, and expected order volume.
| Capability | Machmaster |
|---|---|
| Injection molding machines | 8+ machines |
| Clamping force | 90–500 tons |
| Production location | Machmaster in-house workshop |
| Production scope | Prototype, low-volume and production orders |
| Mold development | Internal machining + qualified tooling partners |
| Quality management | ISO 9001-certified system |
| Post-production | Assembly and finished-goods packaging |
Injection molding services
Choose the service that matches your project. Our team coordinates tooling and molding requirements to support custom plastic part manufacturing.
Plastic Injection Molding
Custom plastic components manufactured to your drawings, material specifications, and order quantities.
Injection Mold Tooling
Mold development coordinated through our internal machining capabilities and qualified tooling partners.
Insert Molding
Custom molded components combining plastic with metal inserts such as threaded inserts, pins, and bushings.
From Prototype Evaluation to Repeat Production
Flexible solutions for prototype development, low‑volume production, and high‑volume manufacturing.
Prototype Injection Molding
For new product development, prototype molding allows engineers to validate part design, assembly fit, and product performance before full‑scale production.
- Test functional plastic parts
- Verify product designs
- Evaluate material performance
- Reduce development risks
Low Volume Injection Molding
Cost‑effective solution for smaller quantities without the investment required for large production runs.
- Product testing & market validation
- Small batch production
- Replacement parts
Production Injection Molding
Stable quality and repeatable output for larger production requirements.
- Consistent part dimensions
- Reliable production cycles
- Long‑term manufacturing support
Custom Molded Components
Plastic Parts for Different Applications
We review custom plastic components for industrial and commercial products. Share your part drawings so we can assess the design and manufacturing requirements.
Common Plastics for Custom Parts
We work with commonly used engineering and production plastics. Material selection depends on the part’s function, mechanical requirements, appearance, and operating environment.
Have a specified resin or material grade? Include it with your drawings so our team can review the project requirements.
ABS
General-purpose housings
PC
Impact resistance and strength
PA / Nylon
Mechanical components
POM
Low-friction components
PP
Lightweight parts
PE
Toughness and chemical resistance
TPU
Flexible components
TPE
Soft-touch applications
Other grades
Reviewed by project requirements
Manufacturing Process
A Coordinated Process from Tooling to Delivery
Our team coordinates the main project stages so that tooling, molding, inspection, and delivery requirements stay aligned.
Step 01
Drawing Review
Review 2D drawings, 3D files, material, part design, and order quantity.
Step 02
Mold Development
Coordinate tooling through internal machining and qualified partners.
Step 03
Sample Review
Review initial molded samples against agreed project requirements.
Step 04
Production
Run production in our own injection molding workshop.
Step 05
Inspection & Delivery
Inspect parts and arrange assembly or packaging as required.
Quality Control for Custom Plastic Parts
Machmaster operates under an ISO 9001-certified quality management system. Inspection requirements are agreed according to your drawings and project specifications.
Our inspection resources include a vision measuring machine (VMM) and conventional measuring tools for checking part dimensions and manufacturing requirements.
Inspection aligned with your specifications.
Inspection methods are selected according to part geometry, critical dimensions, and agreed acceptance requirements.
- DFM and inspection support
- ISO 9001-certified quality management system
- Vision measuring machine (VMM)
- Conventional dimensional inspection tools
- Checks against approved drawings and specifications
Speed Meets Precision at MachMaster
See our team, process, and precision in action at Xiamen MachMaster Co., Ltd—where every part is backed by expertise, systems, and measurable results.








Real-World Uses of Injection Molding
Injection molding is used to produce high-precision parts across industries such as electronics, automotive, medical, and home appliances. It supports plastics, rubber, and elastomers—enabling complex geometries, tight tolerances, and consistent performance.







Injection Molding FAQs
A few details to help you prepare your project for review.
What Is Plastic Injection Molding?
Plastic injection molding is a manufacturing process in which molten thermoplastic is injected into a mold cavity under high pressure, then cooled and solidified into the desired shape. It is widely used for producing high-precision parts in industries such as electronics, automotive, consumer goods, and medical devices.
What Are the Advantages of Injection Molding?
Injection molding enables fast, automated production with high dimensional accuracy and repeatability. It supports complex part geometries, minimizes material waste, and works with a wide range of plastics. It’s ideal for medium to high-volume production with excellent cost efficiency and environmental recyclability.
What Are the Typical Applications of Injection Molding?
Injection molding is used in a wide range of industries:
– Automotive: dashboard panels, interior trims
– Consumer Electronics: device housings, buttons
– Medical Devices: syringes, enclosures
– Home Appliances: parts for washing machines, fans, and TVs
– Packaging & Consumer Goods: containers, toys, kitchenware
– Aerospace: seats, ducts, lightweight interior parts
What Are the 6 Main Stages of the Injection Molding Process?
Preparation: Machine and material setup
Melting: Plasticized into uniform melt
Injection: High-pressure filling of mold
Cooling: Curing inside the mold
Demolding: Part ejected from the mold
Post-processing: Trimming, cleaning, inspection, and packaging
What information do you need for an injection molding quote?
How Long Does Injection Molding Take?
Once the mold is built, injection molding is extremely fast. Cycle times can be as short as 10 seconds, making it ideal for medium and high-volume production of 10,000 to 100,000+ parts.
How Is the Cost of Injection Molding Calculated?
Pricing is based on material cost, tooling, machining time, finishing, and packaging, with a profit margin added. Part complexity, material type, tolerances, and order volume also influence the total cost.
How Much Does Injection Molding Cost in China?
In China, basic injection molding costs range from $5–$10/hour for simple plastic parts, and $10–$30/hour for high-precision or multi-axis machining. This is significantly more cost-effective compared to rates in Europe or the U.S.
What Are the Typical Tolerances for Injection Molded Parts?
At MachMaster, we follow ISO 20457 (previously ISO 2068-c) standards for injection molding tolerances. Depending on material and geometry, we can also meet tighter custom tolerance requirements.
Have a Plastic Part Project?
Send your drawings, material requirements, and estimated quantity. Our manufacturing engineers and sales team will review your project and respond within 24 hours.


