CHENG JHEN TECH Co., Ltd. was founded as a mold and CNC machinery manufacturing factory, we manufacture customed parts with high dimensional precision and qualityproducts, please see as follows:1. Various types of parts: Iron materials, aluminum materials, copper materials, bakelite, plastic, stainless steel and other CNC milling machine processing, CNC lathe processing, etc...2. Surface treatment of parts: chemical nickel, heat treatment (carburizing), blackening, high frequency, fine milling, sandblasting, anode, etc....3. Plastic mold manufacturing injection