Our product is divided into nine parts, and have the more than 130 products toally, can do the various products as your demands.
Shanghai Zhengfeng Valve Co., Ltd was co-invested by Zhenfeng Valve Co. and Hongkong counterpart and relocated in Huangdu Industrial Park , taken an area of 21700 sqms, the new factory area covered an area of 47900 sqms in Anting Industrial Park in 2003 and the total area was 700000 sqms.  
  We are engaged in design , R&D and producing of power station valve , petroleum-chem valve, water system valve , automantic valve and other special valves and has won more than ten national patents . The valves were produced by the standard of GB, ANSI, API, DIN, NF, JIS , etc and they are widely used in skyscrapers , national defence research , civilian project , electricity , metallurgy , petroleum-chem, textile , enviromental protection and fire fighting ,etc.We boast modern workshop ,office building , CAD design center , physics-chem lab and the advanced equipment include CNC lathe , pressure testing , shot casting , coating assemble line and valve assemble equiment ,etc.
We are the member of China Universal Mechanical Valve Association and granted with ISO9001 quality system by DNV, ISO14001 system, pressure conduit producing security certificate (authenticated by AZ), American API-6D, European CE, Shanghai drinking water equipment sanitation certificate, the quality was insured by PICC and we' ve granted with GEP green product title , we' ve been the first class web member of China Petro-Gas Group , member factory of power components of State Electricity Co., assigned producing Corp.by China Chem Equipment Co., web member of Shengli Oilfield , assigned producing Corp.by China Petroleum &