ZHENGGUANG.Founded in 1993 and located in Yongjia, Zhejiang, ZHENGGUANG is a large-scale valve R&D and manufacturing enterprise with a registered capital of 73 million yuan. The company occupies a site of 28,000 square meters, with a building area of 35,000 square meters and a workforce of 685 employees. It is equipped with over 400 sets of modern machinery, including machining centers, CNC machines, specialized machine tools, and testing equipment. The valves are manufactured from a variety of materials, including carbon steel, stainless steel, duplex steel, and Monel alloy. The product range covers a wide spectrum of specifications, with operating pressures from 0.1 to 42 MPa, temperatures from -196°C to 730°C, and nominal diameters from DN10 to 4000 mm. The valves feature a comprehensive range of actuation methods and strictly comply with domestic and international standards such as GB, API, ANSI, JIS, and CE. The products are widely used in the petroleum, chemical, natural gas, power, metallurgy, and pharmaceutical industries, and have been exported to more than 20 countries and regions in Europe, the Americas, the Middle East, and Southeast Asia. The product range primarily includes gate valves, globe valves, check valves, butterfly valves, power plant valves, control valves, and safety valves.
