Gong Hu Star. Gong Hu Star's ion processor is good. Shanghai Gong Hu Welding Group Co., Ltd. is a well-known welding and cutting equipment manufacturer in China, and its long-term goal is to build "China International Welding and Cutting Product Manufacturing Base". After years of development, the company integrates R&D, production and sales, and is famous for its complete product line. It is a well-known trademark holder of "Gong Hu".