Xinxiang Changling Metal Products Co.,Ltd. is a specialized manufacturer with products of Threaded Inserts, Thread Repair Kits, Drill, Tap, Ring Gauge, Plug Gauge, etc.
Our company has advanced CNC winding machines , large-sized projectors, electronic microscope, etc. From establishment till now,Our company is dedicated to R&D of thread bushing, self tapping insert, key locking insert .
CLCOIL is committed to becoming the first-class brand of Screw Insert in the world with concept of honesty & spirit of creation.
The whole process including design, purchase of raw materials, production, quality control, installation, after service, etc.
About Our Company