Shanghai Chengying Welding Parts Co. LTD

The company makes its ferrules and arc shields from a cordierite composition. The inherent properties of Cordierite make it the right choice for stud-welding purposes. Cordierite can hold lower thermal shock and expansion. Shanghai Chengying Welding Parts Co. LTD makes ceramic ferrules that reach welding temperature from ambient temperature in just a second and can resist exploding or cracking. These are used most often for making skyscrapers and buildings, repairing roads and bridges etc.