hat
Tout pwodwi sa yo konfòme yo avèk ISO 9001 Kalite Jesyon sistèm Et ISO 14001 Anviwonman Jesyon Sistèm, epi tou li satisfè Chinese estanda nasyonal ak ASTM estanda.
eng
All these products comply with ISO 9001 Quality Management System and ISO 14001 Environmental Management System, and also meet Chinese national standard and ASTM standard.