Henan Shangdie Valve Co., Ltd was established in 1969 under Zhengzhou Shangjie Butterfly Valve Factory and reformed in 1998, is a professional modern enterprise in valve design, production and trading. Shangdie is China Star Enterprise, Henan Provincial First Class Enterprise, High & New Technology Enterprise, Provincial Honoring contract & Keeping Promise Enterprise, Provincial Technology Innovation Enterprise, Provincial Advanced Export Enterprise for Foreign Exchange Earnings, Provincial Designated Valve Export Base and is one pillar Enterprise in valve industry. Shangdie has obtained Self-Support Import & Export Right in 2002, passed ISO9001 Quality System Authentication in 1996, API IN 2002, EU (TUV) CE Authentication and Manufacture License of Special Equipment in 2003, Malaysia MS Certification in 2004, ISO14001 Certification in 2009 and British WRAS Certification in 2011. The company has established ?Valve Research Center? based on powerful technology forces, can independently develop and manufacture large diameter valve or design, process special valves as per client?s requirements. Shangdie is First Class Network Supplier of PetroChina(CNPC), SINOPEC(CPCC), CNOOC. ?Shangdie? brand series products are recommended by China Urban Water Supply Association (CWSA) and China Power Complete Equipment Co., Ltd (CPCEC) ?with 32 National Patents and 8 provincial high and new technology products. There are more than 30 different kinds of valves available?including turbine inlet hydraulic control BFV, turbine inlet ball valve, bi-direction metal(PTFE) seated BFV, auto-compensation bi-direction metal seated BFV, tri-eccentric complete metal seated BFV, tri-eccentric multi-layer metal seated BFV, dual eccentric rubber seated BFV, silt-proof BFV, corrosion-proof BFV, expansion BFV, pipe-net BFV, quick speed shut-off BFV, hydraulic control slow-closing check BFV, tilting disc metal seated slow-closing check BFV, eccentric semi-ball valve,
