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Industrial machinery builders and medical device innovators face severe enclosure stress risks when deploying complex equipment into aggressive field environments. Standard commercial-grade polymer shells frequently exhibit microscopic stress fractures and cosmetic surface marring under continuous mechanical vibrations. Poor internal rib configuration and sub-optimal gate freezing parameters trigger immediate localized warpage, compromising critical ingress protection boundaries.

Smart home developers and consumer electronics manufacturers face continuous enclosure warping risks during automated high-volume terminal assembly. Standard low-grade plastic covers often exhibit severe weld line cracking and dimensional shifting during secondary ultrasonic welding processes. Inconsistent thermal shrinkage across thin-walled resin zones causes critical alignment errors, blocking PCB installations and ruining final product yield rates.

We have updated advanced injection machines and precision testing instruments to meet high-standard demands from automotive & electronic industries.

Dual injection molding, like co-injection molding, two-shot molding, and sandwich injection molding, is a type of multi-material injection molding technology. The basic idea of multi-material injection molding is to combine two or more materials with different properties together to increase the value of the product. In this article, the first injected material is called the substrate or base material, and the second injected material is called the covering material.