Zhengmao Valve Co., Ltd. is headquartered in Oubei Town, Wenzhou City, China. Founded in 1992, Zhengmao Valve Co., Ltd. has been devoted to the R&D and manufacture of industrial valves for nearly 30 years, focusing on the effective control and performance optimization of industrial pipelines. The registered capital of the enterprise is 100 million yuan, and now it is a state high-tech enterprise, a AAA-class enterprise of "abiding by contracts and stressing credit" in Zhejiang Province, and an honest private enterprise in Zhejiang Province. Now the company has Dongou Industrial Zone, Zhejiang Lishui Industrial Zone, Tangtou Industrial Zone, three major valve production bases, a total area of 78600 square meters, more than 500 employees, 54 senior titles. Now it has formed a complete industrial chain consisting of valve R&D and design, valve body precision casting, whole machine production, all-round testing, and precise marketing.

The company's leading products include gate valves, butterfly valves, ball valves, globe valves, check valves, discharging valves, filters, special valves, etc. There are more than 60 series, several thousand types of specifications, the main valve materials are WCB, WC6, CF8, CF3, duplex stainless steel, pure titanium, pure nickel, Monel alloy and hundreds of other materials. The products cover the fields of high, medium and low pressure valves. The products serve the petrochemical, pharmaceutical, metallurgical, electric power, petroleum, water supply and drainage, gas and other industries at home and abroad. The customers are all over the world. The products create value for customers with their quality, and have won the honors of famous brand products in Wenzhou and famous trademarks in Wenzhou.

Quality is the cornerstone of an enterprise's foothold, because the company's unremitting pursuit of quality through ISO 9001, ISO14001, ISO18001, CE, API, PCCC and other certifications, access to special equipment pressure pipeline components (TS) A1 production license, the establishment of a sound quality assurance system. The company established the valve performance test center under the simulated real working conditions of the products, and introduced the German Blake direct-reading spectrometer, Nietong alloy analyzer, Shimadzu helium leakage detector, ultra-low temperature test system, ultrasonic flaw detector, universal material test platform, impact test machine, metallographic microscope, etc. Advanced testing equipments such as ultrasonic thickness gauge and Rockwell hardness tester carry out all-round testing on the valve. The testing temperature of the product is accurately controlled from -196 C at low temperature to - 500 C at high temperature to ensure the safe operation of the product under various harsh conditions.

Innovation is the driving force of enterprise development. The company has set up a special industrial valve R&D center with 31 R&D personnel. Now it is a state high-tech enterprise and a science and technology enterprise in Wenzhou City. It has obtained 45 national patents, including 4 invention patents, and has been developed with famous universities such as Shaanxi University of Science and Technology and Xi'an Jiaotong University for a long time. Cooperation in industry, University and research has yielded fruitful results.

In the future, Zhengmao will continue to lead the development of industrial valves with quality and innovation to meet the ever-changing challenges in the global valve field.