Saklaw ng laki ng Pangkalahatang-ideya: 1/2″ hanggang 80″ DN15 hanggang DN2000 Nakaharap sa Flat na Mukha Buong Mukha (FF), Nakataas na Mukha (RF), Mukha ng Lalaki(M), Mukha ng Babae (FM), Mukha ng Dila(T), Mukha ng Groove ( G), Ring Joint Face ( RTJ/ RJ ).Mga materyales na ginamit ni Dongsheng: 304/1.4301 304L/1.4307 F321/1.4541 F321H F316L/1.4404 316Ti/1.4571 F51/1.4462/SAF2205 F53/1.4541 F53/1.403 International Standards Ang Flanges Dongsheng ay nagbibigay ng Chinese Standard Standard GB9112-2000 GB9113-2000~ GB9123-2000 JB81-94...