Chang Zhou Qishuyan Jinda Welding Co.Ltd is established in the year of 1990 , it has more than 20 years professional experience for CD & Drawn Arc Stud Welding  . It has mainly produced CD & Arc Stud welder , stud gun , welding studs , insulation pins , ceramic ferrules , shear connectors , stub pin , Chuck , Shoes and reference stud welding accessories .