The tianjin jun chang gb iron and steel co., LTD. Is baosteel, days steel, WuGang, wuhan, shougang, anyang iron &steel co., and other steel spot direct selling enterprises, the company main business gb seamless steel tube, HARDOX400-500 wear plate, Mn13 high manganese steel, wear-resistant, wide special thick steel plate, boiler and pressure vessel with steel, alloy structural steel, carbon steel, high strength low alloy steel plate, Bridges with steel plate, high-rise building structure steel, shipbuilding and production platform with steel plate, die steel, pipeline steel, hot dip galvanized steel pipe, etc. The main sales NM400, NM360 wear plate, NM400 wear plate, NM450 wear plate, NM500 wear plate, HARDOX 550 wear plate, etc., general carbon steel plate Q235B steel plate Q235C steel plate Q235D steel plate, Q235E steel plate. High quality carbon steel plate: 10 # steel plate, 20 # steel plate, 35 # steel plate, 45 # steel plate, 50 # steel plate, 20 mn steel plate, 25 mn steel plate, 30 mn steel, 35 mn steel plate, 40 mn steel plate, 45 mn steel plate, 50 mn steel plate. Low alloy steel plate: Q345B steel plate, Q345C Q345D steel, steel, Q345E steel plate. Pressure vessel steel plate: Q245R steel plate, 20 g steel plate, Q345R steel plate, 15 crmor steel plate. Spring: 27 simn steel plate, 35 simn steel plate, the company uphold the "pioneering, truth-seeking, hard work, innovation" business philosophy and objective, and hope for the vast number of users with various hi