Haihe river in shandong seamless pipe mill
Shandong Seamless Steel Pipe factory
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    Haihe river in shandong seamless pipe factory specializing in the production20#Seamless tube,16MnSeamless tube,20#Seamless rectangular tube,Seamless steel pipe,Circular seamless steel tube,Torque tube seamless,Seamless torque tube,Torque tube,Torque tube,Moment of steel tube,Square steel tube,20#Seamless tube,Square tube,Cold drawn steel tube,Cold drawing of rectangular steel tube,Square tube,20# 45# 16MnSeamless tube,Seamless pipe specifications,Square tube seamless pipe price low prices for you,My company is a company specializing in the production of square tube、Rectangular tube manufacturers,Currently has three production lines,It can produce square tube20*20--500*500 Rectangular tube20*30--400*600,Thickness2-20mm,Daily output can reach50Tons,Product is carried outGB/T3094-2000,GB/T6728-2002Products are widely used in steel structure、Machinery manufacturing、Con