Hangzhou Kunli Welding Material Co., Ltd is a high-tech enterprise professional engaged in R&D and manufacture of high-performance aluminum alloy welding materials,located in Puyang industry zone, Xiaoshan district, Hangzhou city. After five-year unremittingly exploration, the company has successfully developed the high performance aluminum alloy welding material which can fill the blank in this field of China, and achieved the mass production in the domestic first. In the meanwhile, the company has been equipped the most advanced production equipment and detecting instrument, and has formed very mature process to keep the quality of products stability. The products has been tested by National Welding Consumables Quality Supervision and Inspection Center and CSR Qishuyan Institute, the results show the performance is as excellent as similar imported products, can be used in the area of aviation & aerospace, rail transportation, military equipments, automobile industry, high-voltage switchgear, air separate equipments, ship-building industry, container manufacturing, etc. So far, the high-performance aluminum alloy welding wire produced by Hangzhou Kunli Welding Material Co., Ltd have been supplied for many well-known enterprises such as CNR Changchun Railway Vehicles, Maersk Container Industry Qingdao, Tai Kai Group and so on.The company has certified of ISO9001:2008,ISO14001:2004,OHSAS18001:2007, and the high performance aluminum alloy welding material has passed DB certification and CE certification, in the meanwhile the company is the sole aluminum alloy welding material manufacture in China who has passed ABS certification and DNV certification so far. On the other hand, Hangzhou Kunli Welding Material Co., Ltd has drawn up a national industry standard about the Al-alloy welding wire in the area of transportation equipments, at the same time is undertaking the task of national standard named"Aluminum alloy welding wire for hull structure", thus established the leading status in the industry of aluminum alloy welding materials in domestic.