1. structure seamless pipe 2.WT:2.24-30.96 mm 3.OD ... seamless pipeHebei shengtian (group) seamless steel pipe Co,. LtdWe manufacture spiral steel pipe with good quality as per API5L,GB, ... bundles tied with steel stripes7.Payment TermT/T, L/C at sight8.Delivery TimeWithin 30 days after signing the contract ... for water steel pipes.10.MaterialA53(A,B),A106(B,C)Q235B,Q345B,16Mn, 10# 20#,45# S235JR, S355JR; ...