Kev tsim nyog

Kev tsim nyog

Cov khoom lag luam tau txais ntau tshaj 30 qhov tsos, kev ua haujlwm thiab kev tsim patents,
CE, ROHS daim ntawv pov thawj, ntawv pov thawj thoob ntiaj teb tawg-pov thawj, OSHAS18001 ntawv pov thawj, ISO14001 ntawv pov thawj, ISO9001 thiab lwm daim ntawv pov thawj thib peb.