We specialize in Pipes & Piping Materials (including API Line Pipes, Tubing and Casing) seamless steel pipe/tube. We have the best material suppliers,the most skillful workers, advanced manufacturing equipment and stringent test operations in China. We can provide size: a)O.D:17mm-720mm b)W.T:2mm-70mm a) O.D.:8mm-630mm b) W.T.: 1.5mm-35mm Materials: ASTM A106 GRA,GRB:ASTM A53 GRA,GRB;API 5L GRA,GRB,X42,X46,X52,X56;ASTM A335 P11;ASTM A333 GR6 etc. 20#,45#,16Mn,27SiMn, 12Cr1MoV,15CrMo,10CrMo910,Cr5Mo,WB36 We can supply the products in a high quality and competitive price. Our product is widely applicable to long distance pipeline for transportation with power of petroleum, natural gas, coal gas and water. As well as industries of petrol-chemical enterprise craft pipe network, city central heating projects, gas-pipe network and others. Our product merits such as high intensity, high pressure resistance, convenient installation, low cost and long lifetime, have gained us many users?good reputation . if you have this demand for our products, please feel free to contact us for more details. You also can have a visit to our web page :http: www.wypipeline.com Glad to recieve your enquiry . best regards, Nora zhao Marketing department