An Nexium Industrial Fasteners Co., Ltd. is a business fasteners, connectors based manufacturing and trading enterprise, the company in 2003 established a joint venture with Japan's Yamaguchi, "Yamaguchi Metal Products Co., Ltd. of Tianjin," the factory is located in the beautiful port city of Tianjin Economic-Technological Western Zone, the registered capital of 500 million U.S. dollars, mainly produces high strength bolts, studs, stainless steel bolts, hexagon nuts, non-standard parts production and other products, widely used in industrial fastening products ﹑ connected wind power equipment, precision machinery, automobile, electronic appliances and other industries.