Size:1"-4" DN25-DN100 Pressure:3000PSI,5000PSI KF,AOP,COP Material:Carbon Steel API6D TS CE/PED ... . The factory obtained the ISO9001: 2008 quality system certificate in 2000. The products are exported to USA, Korea, Canada, Singapore, Middle ... users to coming visit and establish intimate partnership. 2-PC 5000PSI RP NPT Oilfield Ball Valves Carbon Steel 2-PC ...