The registration address of chanda hensin steel sales ltd. In tianjin city is located at 4-506 north-west tsingliang building, north-west tsin road, north-west tsin city, with the registration authority being the market supervision authority of the north chong district of tsinjin city, represented by a legal person, gmijin, operating in a wholesale and retail manner, including metal materials, alloy tubes, seamless pipes, high-pressure boilers, stainless steel pipes, stainless steel plates, paint coating boards, hardware exchange, building materials, chemical products (except dangerous chemicals, easy to manufacture drugs), and in import and export operations permitted by national laws and regulations. (state-owned, special, exclusive)