Plastic Injection Mold Manufacturer in China
Specifically, Zemyn is a plastic injection mold manufacturer in China that helps product companies move from plastic part design to approved tooling and stable production. Firstly, our engineers review your design, material and production requirements. Then, one project team coordinates mold making, trials and injection molding.
- Preliminary DFM review before mold manufacturing
- Rapid tooling and production mold solutions
- Small batch trials and mass production support
- NDA protection for confidential projects
20 Years
Mold and Molding Experience
5000 m²
Manufacturing Facility
50+
Skilled Team Members
Up to 1000T
Project Molding Capacity
How a Plastic Injection Mold Manufacturer Reduces Tooling Risk
Because hidden design risks can increase tooling costs, our engineers review the plastic part, material, appearance and production requirements before tooling begins.
In addition, the preliminary DFM review covers wall thickness, draft angles, undercuts, gate position and possible deformation.
As a result, customers can identify potential problems earlier, reduce unnecessary mold modifications and prepare the project for stable production.
What We Review During DFM
- Wall thickness and draft angle
- Parting line and gate location
- Undercuts and ejection method
- Material selection and shrinkage
- Deformation and assembly risks
Services From a Plastic Injection Mold Manufacturer
To begin with, Zemyn reviews the part and tooling requirements for each project. In addition, one project team coordinates mold making, trials and plastic part production, which gives overseas customers clearer communication.
Firstly, we review your part design, material and production target before preparing the mold structure. Secondly, our tooling team completes machining, fitting, assembly and internal trials.
Following sample approval, our team begins small batch trials or regular production. Meanwhile, we monitor process settings, dimensions and appearance while supporting assembly, secondary operations and packaging when required.
Before shipment or production, our team tests each mold and inspects its dimensions, appearance and molding performance. Finally, engineers adjust the mold and process according to the inspection results.
Extrusion-manufactured manure belts tailored for poultry and livestock applications — flexible, easy to install, and built to withstand demanding farm environments.
Mold Solutions for Different Production Needs
Because each plastic product has different requirements, we review the part size, material, expected quantity and appearance before recommending a mold structure. For example, a project may require rapid tooling, a multi-cavity mold, a hot runner system or an unscrewing structure.
- Prototype and Rapid Tooling
- Production Injection Molds
- Single-Cavity and Multi-Cavity Molds
- Hot Runner and Cold Runner Molds
- Two-Shot and Two-Color Molds
- Insert Molding and Overmolding Tools
- Unscrewing and Threaded Part Molds
- Large Plastic Part Molds
From Drawing Review to Mold or Part Delivery
1. Project Review and DFM
To begin with, send us your 2D or 3D drawings, material requirements and expected quantity. Then, our engineers review the design and identify the main manufacturing requirements.
2. Mold Design and Manufacturing
Following project confirmation, we prepare the mold design. Secondly, the tooling team completes machining, EDM, fitting and assembly.
3. Mold Trial and Sample Approval
Once the mold is ready, our team conducts an internal trial and checks the samples. Then, we share the trial information and samples for your review.
4. Mold Delivery or Part Production
Following sample approval, we prepare the mold for shipment. In addition, Zemyn can continue with small batch molding or regular production.
Engineering and Production Capacity Behind Every Project
Overall, Zemyn combines mold engineering, tooling and injection molding support for international projects.
At the same time, our 5,000-square-meter manufacturing facility and team of more than 50 people support daily project operations.
Furthermore, our 20 years of industry experience help us connect part design, mold structure and production stability, while additional project resources support molding requirements of up to 1,000 tons.
As a result, customers can review manufacturing progress, trial results and technical changes before the project enters the next stage.
- Mold design and DFM support
- CNC machining and EDM
- Mirror EDM support
- Mold fitting and assembly
- Two-shot molding support
- Molding capacity up to 1,000T
- Dimensional inspection
- Assembly and packaging
Control Mold Quality Before It Reaches Production
During machining, fitting and assembly, our team checks the mold components.
For example, engineers inspect sample dimensions, appearance and molding performance during mold trials.
Finally, we review any issue, complete the required adjustments and confirm the results before mold shipment or production.
Dimensional Inspection
Mold Fitting
Trial Sample Review
Production Quality Check
Custom Mold and Plastic Part Projects
For example, the projects below show how our engineering and manufacturing team supports different mold structures, plastic materials and production requirements.
Two-Shot telephone buttons
Outdoor Power Supply Housing
Safety Helmet Shell
Large Television Housing
Flashlight Housing
Water sports products
Why Choose Zemyn as Your Plastic Injection Mold Manufacturer?
20 Years of Experience
To begin with, our 20 years of experience support practical mold design, manufacturing and production decisions.
DFM Support
Furthermore, our engineers review the part design and identify potential molding risks before tooling begins.
One Project Team
In addition, one coordinated team follows engineering, tooling, trials and production communication.
Regular Progress Updates
Meanwhile, customers receive important project information during key manufacturing stages.
Moreover, our ISO 9001 certified manufacturing system supports consistent process and quality control.
NDA Protection
Finally, we can sign an NDA before reviewing confidential drawings and project information.
Plastic Injection Mold Manufacturer FAQs
What information do you need for a mold quotation?
Firstly, send us your 2D or 3D drawings, preferred material, expected quantity and project schedule. However, If some information is unavailable, our engineers will help you confirm the remaining requirements.
Can you sign an NDA before reviewing our drawings?
Yes, we can sign the NDA before you send confidential product drawings and project information.
Do you provide DFM analysis?
Yes, we provide DFM analysis before tooling begins. During the quotation stage, our engineers conduct a preliminary manufacturability review. After that, we prepare a detailed DFM analysis when the project begins.
How long does custom mold manufacturing take?
In general, a custom mold project requires approximately 45 to 90 days. However, the final schedule depends on part complexity, mold structure, material and testing requirements.
Can you produce plastic parts after completing the mold?
Yes, we can produce plastic parts following sample approval. In addition, we can support assembly, secondary processing and packaging.
Can you use an existing mold for production?
Firstly, our team inspects the existing mold, specifications and production requirements. Then, we confirm whether the mold matches the available equipment and production process.
Start Your Project With a Plastic Injection Mold Manufacturer
When you are ready to start a new plastic part project, send us your drawing, material requirement and expected quantity. Firstly, our engineers will review the information. Then, we will contact you to discuss the next step and suitable manufacturing solution.
📧 Email: emery@szzemyn.com