Three steel (shangdong) steel co. Ltd. Is registered at no. 1919, east changdong luxing building, tsang city economic technology development zone, shandong province. The registration authority is the market supervision authority of the city economic technology development zone, represented by a legal person, and operates in the range of metal materials, construction materials, round steel, steel plates, steel tubes, plates, aluminium plates, types, lead plates, aluminum bearings, aluminium tubes, copper tubes, zinc plating rolls, trade slots, grinding materials, special steel, sales of seamless steel pipes, welding pipes, stainless steel materials; pipe processing, marketing; import and export operations of various goods and technologies, both self-camped and agency. (projects subject to legal approval may not operate without the approval of the relevant department)