Tianjin Yasan Wire Products Co.,Ltd is a state owned enterprise and a stock-holding company built according to the modern enterprise system.The company is located in the north of Tianjin,5 kilometers from Beijing-Tianjin-Tanggu expressway and 65 kilometers from Tianjin Port.The water transportation is convenient.The main products are Low-relaxatioin P.C. strands;cold-rolling ribbed rebars and welded nets. The company possesses the most sophisticated low-relaxation strands production line and testing devices that are imported from MARIO FRIGERIO S.P.A Corporation of Italy and manufactured by SKET Corporation of Germany.All the key technological devices are controlled by computer to make sure the high-speed and steady running of production line.The annual capacity of two production lines is up to 100,000 tons.