ISO 9001: 2015 Daim Ntawv Pov Thawj ntawm Kev Tswj Xyuas Kev Tswj Xyuas Zoo Kev Ntsuam Xyuas Daim Ntawv Qhia Txog Cov Qauv Cim thiab Tsis Yog Hom Metallic ntawm Koob Valve Forging ISO 14001: 2015 Kev Tswj Xyuas Ib Puag Ncig Lub kaw lus system ISO 45001: 2018 Kev Tswj Xyuas Kev Nyab Xeeb Kev Nyab Xeeb Kev Tswj Xyuas Kev Nyab Xeeb Kev Nyab Xeeb systemcertification Daim Ntawv Pov Thawj Cov cuab yeej siv siab ncaj qha Cov cuab yeej siv siab lus qhia txog 4.3 Cov ntawv pov thawj khoom EAC-fittings daim ntawv pov thawj EAC-li qub daim ntawv pov thawj ABS thiab ASTM F1387 Khoom Tsim Khoom Lag Luam Kev Ntsuam Xyuas ABS thiab ASTM F1387 Daim Ntawv Qhia Txog Cov Qauv F1387 Kev Nyab Xeeb Kev Nyab Xeeb Daim Ntawv Pov Thawj Daim Ntawv Tso Cai Tshwj Xeeb Cov Khoom Siv Tshwj Xeeb - Kev Siv Piping Lub Siab ISO15500 Fittings Soj ntsuam daim ntawv pov thawj ISO15500 Pob Daim Ntawv Pov Thawj Tshawb Nrhiav Valve HIC TEST SHALE SMEASER TUB TUB TUB STUPLY HLAU HLAU HLAU HIC qhov kev ntsuas ntawm rab koob valve forging dawb paug Kev Xeem Ntawv Tshaj Qhia Txog Kev Sib Koom Tsis yog Banded Metallic suav nrog Stainless Hlau Txias Tshuag