Chang Ling Metal Product Co., Ltd is an ISO9001:2008 certified company which is the leading manufacturer in wire thread inserts and tools business with more than 20 years experiences. We have advanced automatic production and test equipments, best research,sales ,service and design system.

Chang Ling Metal Product Co., Ltd has long term cooperation relationship with many Chinese Aerospace, Chemical, Military, Automobile companies such as CNHTC, CNAC, XCMG and etc. Our wire thread inserts has been widely used in Radar Shell, Motor, Instrument, Space Flight and Aviation, Ships, Arms and etc fields.
Chang Ling Metal Product Co., Ltd could produce any kinds of Helicoil according to clients requirements in Military Standards, Air Flight Standards and National Standards. Our CL-Helicoil could perfect instead of German, British, France and Japanese Helicoil.