Shanghai You Guang Welding Equipment Co., Ltd. mainly produces welding equipment and welded joints. Our welding products are applied to air-conditioning and refrigeratory industry. We started to utilize the new technique and technology from the USA in 1998. We attained the American patent for Welding Copper and Aluminum Piping in 2007 (the patent no. in the USA: US60/974.518). We also produce and export condensers and evaporators, including wire-tube evaporators, plate tube type evaporators, ...   |