Oil Pipe, Prepainted Galvanized Steel Coil, Hot Rolled Steel Sheet Pile manufacturer / supplier in China, offering Custom C45 Carbon Steel Seamless Pipe, Hot Rolling Carbon Steel Seamless Pipe Factory Direct Sales 10# 20# 35# 45# 16mn 27simn 40cr, Hot Rolled Seamless Carbon Steel Pipe Large Stock Factory Direct Sales 12cr1MOV 15CrMo 35CrMo 45mn2 and so on.
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