Chengdu Hanyan Technology Co., Ltd. is a national high-tech enterprise who specializing in designing, researching and developing, manufacturing and serving of automatic welding equipment. wholly-owned three sub-companies, covering resistance welding, robot welding and welding power source.We obtained 5 Patents of invention and 13 Patents of Utility Model; our products are approved by CCC and CE, additionally, our company have had ISO 9001:2008, ERR and CRM management system.Our products include General Longitudinal/Circumferential Seam Welder, Welding Auxiliaries, Water Heater Welding Line, Fuel Tank Welding Line, Welding Robots, Strip Welding Equipments, Resistance Welding Equipments, Welding Power Sources and other Customized Welding Equipments.