1. Khoom siv:12Cr1MoVG, sib xws rau lub teb chaws tus qauvwb 5310, khoom siv 12Cr1MoVG, siv: high-pressure boiler seamless yeeb nkab

2. Khoom siv:15 CrMoGRaws li lub teb chaws tus qauv GB5310, cov khoom yog 15CrMoG, kev siv yog high-pressure boiler yeeb nkab, raws li American tus qauv yogA213/A335, cov khoom yogT12/P12, kev siv yog boiler seamless steel yeeb nkab, sib haum mus rau German tus qauv DIN17175, cov khoom yog 13CrMo44, kev siv yog resistant Kub steel seamless steel yeeb nkab. Cov txheej txheem European sib raug yog EN10216-2, cov khoom siv yog 13CrMo4-5, siv: cov yeeb nkab siab, HS code yog 7304599090.

3. Khoom siv: 1Cr5Mo, sib haum rau lub teb chaws tus qauv yogwb 9948los yog GB6479, khoom siv 1Cr5Mo, siv, seamless steel yeeb nkab rau high-pressure boilers, sib haum mus rau lub American standard A213 / A335, khoom: T5 / P5, siv, seamless steel yeeb nkab rau boilers, sib haum mus rau lub German standard EN10216-2, khoom X11CrMo5, siv, siab-cov kabmob yeeb nkab, HS code yog 7304599090.