ISO9001: 2015 Daim ntawv pov thawj
Qhov no yog peb daim ntawv pov thawj ISO9001: 2015 Kev Tswj Xyuas Kev Tswj Xyuas Zoo, tshawb xyuas cov qauv kev tswj xyuas zoo rau txhua qhov kev muag khoom steel, lees paub los ntawm CNAS thiab IAF thoob ntiaj teb.
