The three Shanghai mechanical and electrical equipment limited company   

Three mechanical and electrical equipment (Shanghai) Co., Ltd is one of the domestic metal surface restoration technology industry's largest enterprises. The company set research and development, production and sales, technology promotion as one of professional metal surface restoration technology and equipment for the production of enterprises. The company in the absorption of foreign advanced technology and combining with the actual situation of domestic metal repair industry, research for the development of domestic enterprises to use the metal repairing cold welding machine series, mold repair welding cold series, the casting defect repair machine series, ultrasonic polishing machine, brush plating machine and hot spraying equipment. Cold welding of metal patches (mold repair welding cold) is a kind of metal cold welding repair equipment, through...