We, Zhengzhou Tech-valve Control Co., Ltd (ZZTVC), is committed to industrial valve in the research, development, design, manufacturing and sales, Main Valve Product is manual Valve( Butterfly valve , Ball Valve, , Gate valve, Globe Valve) automatic Valve (Electric Valve , Pneumatic Valve , Swing Check Valve , Safety Valve Steam Trap etc.), and flow Control Valve etc, . Products are mainly used in the pharmaceutical, oil, food and beverages, sugar, chemicals, plastics, pulp and paper, heating ventilation, , textiles, metal manufacturing, electronics, rubber, horticulture, shipbuilding, air-conditioning and other industries. ZZTVC is a specialized manufacturer of industrial steel valve according to API, ASME, EN, ISO, JIS, DIN, BS& GB standards We concentrate on one business - the design, manufacture and marketing of steel valves in a broad range of types and sizes, demanding advanced technology. Our philosophy is to bring the market new and innovative valve designs with special emphasis on quality, safety, ease of operation, simple in-line maintenance and most of all, long service life. All this combined with the use of high quality materials, advanced manufacturing technology and automation in all stages of manufacturing ensures the highest possible quality at a competitive price.