1¡¢Seamless steel tube 
Structural tube,fluid pipe, boiler tube,petroleum pipe,marine pipe,etc.. 
Size range:diameter dn6-dn2000,thickness sch5-sch160 
2¡¢Welding pipe 
Straight welding pipe and helical welding pipe 
Size range:diameter dn6-dn2000,thickness sch5-sch160 
3¡¢Welding square tube 
Rectangular welding tube and square tube 
4¡¢Galvanized square welding tube and round welding pipe 
5¡¢Section tube |