Precision Plastic Injection Molds | In-House Process from Machining to Heat and Surface Treatment

At our Vietnam-based factory, CNCTECH provides a fully integrated mold manufacturing process for precision plastic injection molds covering machining, vacuum heat treatment, and advanced surface coatings like TiN. By internalizing all critical processes, we eliminate outsourcing delays, significantly shorten lead times, and ensure consistent quality.- Key Features of Our Precision Mold Manufacturing
+ Fully in-house process: machining, heat treatment, and surface coatings such as TiN, TiCN, and CrN
+ Vacuum hardening and nitriding capabilities to enhance mold durability
+ EDM, wire cutting, and grinding of high-hardness steels such as SKD61, NAK80, SUS420
+ Prevents early-stage molding defects such as demolding failures and wear
+ Stable 40-day lead time supported by streamlined in-house operations
+ Certified quality system: IATF16949 and ISO9001 for strict process and quality control
- Why Choose CNCTECH
+ In-house processing, heat treatment, and surface finishing—no outsourcing needed
+ Capable of meeting Japanese surface treatment quality standards even with Vietnam-based production
+ Proven experience with telecom housings, motorcycle parts, and precision injection molded components (e.g., VNPT, Mobifone)
If you're looking for a mold manufacturing partner that handles everything from machining to post-treatment under one roof, CNCTECH GROUP delivers reliable results with optimized lead time, quality, and cost.