This unit main camp: Chengdu, Shanghai, Tianjin, Yantai, Anshan, Baotou, Daye, Hengyang, Xining produce profession and so on 10#, 20#, 35#, 45#, 27SiMn, 16Mn, 15CrMoV, 20G, 12CrlMoV, DZ40, DZ50 petroleum, chemical, textile, hydraulic pressure, medical, electric heating, warindustry machinery, coal mine support, boiler measuring appliance, decoration, construction with the size caliber, and the specialmaterial quality, the special specification, the special use, in thethin thick wall seamless tube and each kind of alloy tube, the heightpress the boiler pipe; And may for the user, the unionsale fill a prescription backlog each kind of seamless tube.

1) the general structure, the mechanism use the seamless tube(GB8162-1999) (2) is low presses the boiler to use the seamless tube(GB/T3087-1999) (3) the high-pressure boiler uses seamless tube ST45.8-III(GB5310-95) (4) the conveyance fluid uses the seamless tube(GB/T8163-1999) (5) or coldly grips the precision seamless tube(GB3639-83) (6) the geological drilling uses the steel pipe (YB235-70) (7) petroleum drilling steel pipe (YB528-65) (8) the hydraulic pressure cylinder barrel precise insidediameter uses the seamless tube (GB8713-88) (9) chemical fertilizer special-purpose seamless tube(GB6479-2000) (10) the ships use the tube (GB5312-85) (11) petroleum cracking tube (GB9948-88) (12) each kind of alloy manages 16Mn 27SiMn 15CrMo, 35CrMo12CrMoV 20G 40Cr, 20Cr, GCr15 42CrMo and so on.