Zhengzhou Zhongnan Valve Co., Ltd. Is located in Xingyang, known as the "Hometown of Valves in China". Founded in 1988, the company holds the national A1 - level production and manufacturing license. It is a national high - tech enterprise and an innovative small - and - medium - sized enterprise in Henan Province. The company has obtained numerous national patent certificates and integrates scientific research, manufacturing, sales, and service. It boasts strong technical strength, as well as a modern quality inspection and test center. It is equipped with ultrasonic thickness gauges, chemical analysis equipment, CAD valve design software, precise and efficient CNC machining centers, CNC lathes, and sophisticated testing facilities.

The company's products are widely used in various industries at home and abroad, such as petroleum, chemical engineering, metallurgy, electric power, papermaking, pharmaceuticals, water conservancy and hydropower, municipal pipe networks, sewage treatment, road, airport, and pipe network infrastructure construction, high - rise buildings, etc., and are also exported overseas.

The company's main products include the Zhongdie brand large - diameter two - way metal hard - sealed butterfly valves, two - way rubber soft - sealed butterfly valves, two - way hard - sealed rotary ball valves, top - mounted eccentric semi - ball valves, hard - sealed wear - resistant eccentric semi - ball valves, elastic soft - sealed gate valves, expansion joints, check valves, air valves, and other product series. These products are designed and manufactured in strict accordance with standards such as GB, American ANSI and API, British BS, German DIN, French NF, European EN, and Japanese JIS. The nominal pressure ranges from 0.25MPa to 6.3MPa, and the caliber ranges from DN50 to DN4000. The connection methods include wafer - type, flanged - type, expansion - type, welded - type, clamp - type, and extended - type, which can be applied to different working conditions. The transmission methods include manual, pneumatic, electric, hydraulic, and intelligent remote control. With their novel design, advanced technology, and reasonable structure, these products have become highly competitive high - end products in the domestic fluid field. They are widely used in national key projects and large - scale projects, and many of them are exported in supporting facilities, enjoying a good market internationally. Thanks to the long - term love and support from new and old customers at home and abroad, the company has achieved steady progress and rapid expansion towards the international market.

The company's meticulous organizational management, featuring professionalization, internationalization, and technological development, ensures the high - quality of its products. New technology and sincere service, with customer satisfaction as our eternal pursuit! Let's join hands, seek common development, and create a better future!