Project Description
Plastic Overmolding
JINGXIN is a top-rated custom plastic injection molding and plastic overmolding supplier in China, trusted by the most famous companies over the world. Supplying high-quality plastic overmolding parts for the enclosure of electronic products, handle or bracket of household appliances, automotive, industrial equipment, +/-0.1mm tolerance. Custom multi-color service, value-added service including assembling and packaging. Plastic Overmolding enables seamless integration of multiple materials for enhanced product performance. JINGXIN is always seeking to supply our best solution to industrial manufacturing.

Injection Plastic Overmolding Wristband

Short-run plastic overmolding services
Plastic Overmolding
Project Name | Plastic overmolding wristband |
---|---|
Application | Electronic products wristband |
Material | TPU,PE, or ABS General-Thermoplastic-Characters-and-Applications![]() |
Machinery | Plastic injection machine |
Processes | Custom plastic injection molding |
Surface treatment & color | Texture, Smooth, Multi-color |
Part Measurement | Customized dimensions |
Tolerance required | Without marking DIN 2768-M; Special required at ±0.1mm |
Packaging | Carton + Wood Case |
Quality assurance | ISO 9001:2008, ISO 14001 and BS OHSAS 18001 Certification |
Document supplied | CMM testing report, ABS Material data sheet & RoHS SGS report |
Client From | USA |
Lead time | 4-6 weeks for Mold making,3-5 weeks for injection molding production |
China plastic injection overmolding & Manufacturing process details

Injection mold design
Clients provide 3D model designs in STL format. Our engineers convert the STL file into STEP format, then design the plastic injection mold according to the product’s design requirements, including water cooling system, gate type, ejection methods, and Moldflow analysis.

Mold making
Making the injection mold according to the mold design, Using LKM mold base and standard mold accessories, the mold finished with 3 weeks by CNC machining, WEDM EDM, Assembly testing, the first testing samples were sent for clients confirmation on the fourth week.

Mold making
Making the mold according to the mold design, using LKM mold base and standard mold accessories. The mold is completed within 3 weeks through CNC machining, WEDM, EDM, and assembly testing. The first testing samples are sent for client confirmation in the fourth week.

Injection molding manufacturers production
The clients confirmed the first samples (T1), provided feedback for minor changes, and then the second mold testing and samples were completed. Mass production begins after receiving final client confirmation and a formal mass production order.
Learn more about plastic injection molding supplier case study
JINGXIN® is a custom manufacturing service factory, offering custom manufacturing services, 3D printing prototypes, injection molding, CNC machining services, and metal stamping for plastic and metal parts, for short-run production or 10,000+ production. Applications include parts for automotive, jigs, medical, industrial, and household appliances. Typical tolerance ranges from ±0.01mm to 0.05mm, with fast lead times of 3–15 working days.