Apèsi sou tout seri gwosè: 1/2″ a 80″ DN15 a DN2000 Fè fas a Flat Face Full Face (FF), Raised Face (RF), figi gason (M), figi fi (FM), Face Face (T), Groove Face ( G), Ring Joint Face (RTJ/RJ).Materyèl ki itilize pa Dongsheng: 304/1.4301 304L/1.4307 F321/1.4541 F321H F316L/1.4404 316Ti/1.4571 F51/1.4462/SAF2205 F53/1.42904/1.4462/SAF2205 F53/1.4404 F316L/1.4404 Standard International Bride Dongsheng bay estanda Chinwa GB9112-2000 GB9113-2000~ GB9123-2000 JB81-94...