Guangdong Sumwin New Material Group Co.,Ltd. (abb. Sunwin Group) founded in 2001.It is a nation high-tech enterprise, and the supported unit of Stainless steel precision welded pipe engineering research center in Guangdong province. Focusing on the research and development of stainless steel welded pipe manufacturing, Sumwin Group has become one of the brand enterprise of stainless steel pipe industry with R&D, production and sales services after more than 10 years of development.