INFO supplies all kinds of Seamless Steel Pipes , ERW Steel Pipes, LSAW Steel Pipes, SSAW Steel Pipes, Coating Pipes and OCTG (Oil Country Tubular Goods). BESTAR mainly produces various carbon and alloy steel pipes including oil & gas pipe, pressure pipe and mechanical tubing, etc.
HUAYOU has over 1000 different specification to stock with GB, ASTM/ASME, API, DIN, EN, JIS, BS and other grades.