Xinxiang Chang Ling Metal Products Co, .Ltd

Chang Ling Metal Product Co., Ltd is an ISO9001:2008 certified company which is the leading manufacturer in wire thread inserts and tools business wit

CL-coil could improve threads stress state and to be spring connection, remove the errors of pitch and thread angle, protect the thread avoiding to b

CL-coil could improve threads stress state and to be spring connection, remove the errors of pitch and thread angle, protect the thread avoiding to b

Chang Ling Metal Product Co., Ltd is an ISO9001:2008 certified company which is the leading manufacturer in wire thread inserts and tools business wit

Helicoil is a new type of *****'s made of SUS wire with diamond shape and high precision & strength capacities.