Tianjin Zhongyuan Yuanda Steel Co., Ltd. (TZYSCO for short ) is a Chinese company located in Tianjin City, which not only is an international harbor and economic center in the north of China , but it is also well-known for its profound historical and cultural heritage.  TZYSCO has been devoted to stainless steel production such as stainless steel plate/sheet , stainless steel coil & stainless steel bar , and processing of stainless steel , special steel and high grade carbon steel .Key products have entered into key fields and new industries such as petroleum, chemical industry, shipbuilding, container, railway, automobile, urban light rail transit , large power stations.