Changzhou City Yunhe Welding Material Co., Ltd. Established in 1987, Located in economically developed center Yangtze River Delta, near Shanghai, the largest sea port city of China. We are a professional manufacturer of welding wire. We have more than 450 employees and cover an area of over 35, 000 square meters. Da YUNHE brand products include gas-shielded welding wire, submerged arc welding wire, stainless steel welding wire, aluminum & aluminum alloy welding wire. They are widely used in many industries, such as mechanical and electrical engineering, vehicles, medical mechanisms, pressure vessels, shipbuilding and so on. With the help of our skillful personnel and strict management system, our annual output and turnover has reached to 55, 000 metric tons and more than USD50, 000, 000. Because of our effort on improving production and management quality, we have not only successfully obtained ISO9001 and ISO14000 certification, but also approvals for our main products from the Classification Society (CCS) of China, American Bureau of Shipping(ABS), Lloyâ??s Register(LR), TUV Industrial Service GmbH(TUV), Nippon Kaiji Kyokai(NK), Canadian Welding Bureau(CWB) and Deutsche Bahn AG(DB). Da Yunhe brand are not only sold to most of provinces and cities in China but also to USA, Canada, Brazil, Chile, UK, France , Italy, Spain, Portugal, Poland, Czech Republic, Lithuania, Slovenia, Russia, Ukraine, Turkey, Israel, Pakistan, Iran, South Africa, Thailand, Indonesia, India, Australia, Vietnam etc countries and regions.