china stainless steel ball valve export 2 weifang guanyu machinery manufacture co., ltd www.gyjx.cn ,main product:stainless steel angle seat valve£¬stainless steelball valve,bv-1000wog reducer one-sheet stainless steel ball valve,bv-1000wog all-nominal two-sheet stainless steel ball valve,bv-1000wog all-nominal three-sheet stainless steel ball valve,bv-1000wog all-nominal two-sheet carbon steel ball valve,bv-1000wog all-nominal three-sheet butt-weld stainless steel ball valve,bv-1000wog all-nominal three-sheet cocket stainless steel ball valve,gt-200wog stainless steel gate valve,stainless steel two-pieces flanged ball valve(gb/din)z,stainless steel hexagon nipple and union stainless steel quick couplings: stainless steel quick couplings type a, stainless steel quick couplings type b, stainless steel quick couplings type c, stainless steel quick couplings type d, stainless steel quick couplings type e, stainless steel quick couplings type f, stainless steel quick couplingstype dc, stainless steel quick couplingstype dp. weifang guanyu machinery manufacture co., ltd is a professional enterprise integrating with scientific research, development, production&manufacture, and technique service, is the fixed scientific research base of shandong science-technology university. we mainly produce all kinds stainless steel valve, pipe fittings, speed joint, flanged plate, electromagnetic valve, intelligent valve, and dynamoelectric motor driving valve etc other products and coal-mine safe equipments instrument and minitype fixture. we also can do all kinds stainless steel casting business. ¡¡¡¡ owning advanced silicon sol casting production line and high-class production processing center, adopting advanced casting craft, strictly implementing iso9001 quality system standard, and basing on the management tenet of "quality first, credit uppermost", we will serve the customers and the whole society with all our heart. ¡¡¡¡with steady capability and credible quality, our products are produced strictly according to national and international advanced standard; and are commonly used in drainage, food, oil chemical, electric power, medicine etc other industries. ¡¡¡¡with powerful scientific research development ability, we will offer the most satisfied products and service if the customers provide correct liquid parameter.