Zhejiang Yonglian Valve Group Co., Ltd. was founded in 1982 and is a national key high-tech enterprise that integrates R&D, production, sales and service. The company is located in the coastal area of Wenjiang Economic and Technological Development Zone, covering an area of over 30,000 square meters. It currently has 200 employees, including 12 middle-level personnel and 5 senior engineers. The company has established an advanced physical and chemical laboratory, equipped with advanced processing equipment, sophisticated testing instruments and mature fluorine-coated technology. It specializes in the design and manufacture of various fluorine-coated valves, and the fluorine-plastic lined valves are one of the company's characteristic product series. 

The products include over 40 series and 960 types of products such as fluoroplastic lined stop valves, ball valves, diaphragm valves, butterfly valves, check valves, pipe clamp valves, etc. The main products are: gate valves, stop valves, ball valves, butterfly valves, plug valves, diaphragm valves, throttle valves, regulating valves; special valves for petroleum, petrochemical, sulfuric acid, smelting, power stations, steel mills, coal chemical industries, etc.; metal lined plastic valves and special metal material valves; metal and non-metal corrosion-resistant pumps; special stainless steel pipes and steel-plastic composite pipes and accessories. 

The product is widely used in industries such as petroleum, chemical engineering, metallurgy, and power, and is exported to countries and regions including Europe and America, Russia, Africa, Southeast Asia, the Middle East, and Japan. The product quality is stable and reliable, and it has received high praise from users. Over the years, the company has always adhered to the business philosophy of "based on management norms, oriented by market demand, surviving by ensuring quality, aiming for customer satisfaction, and promoting development through product innovation", and has persisted in the management concept of "people-oriented, harmonious development, and creating a win-win situation". It recruits talented individuals and advocates humanized management, creating a favorable environment for the development of all kinds of talents. In the long-term market competition, with excellent product quality, it has expanded the market and won the trust and praise of a wide range of users. 

The company has introduced advanced manufacturing techniques from both domestic and international sources and a strict quality management system. The products are novel in design, equipped with excellent equipment and complete testing facilities. It has obtained the Special Equipment Manufacturing License A1 level of the People's Republic of China, EU CE certification, UL certification, GB/T19001-2016 quality system certification, GB/T45001-2020 occupational health and safety management system certification, GB/T24001-2016 environmental management system certification, Zhejiang Manufacturing Certification, and has been awarded numerous honors such as National High-tech Enterprise, Zhejiang Province "Specialized, Skilled, Innovative" Small and Medium-sized Enterprise, Zhejiang Province Innovative Small and Medium-sized Enterprise, Zhejiang Province Technology Enterprise, Wenzhou Enterprise Technology Research and Development Center, AA Zhejiang Province Contract-Fulfilling and Creditworthy Enterprise, and Zhejiang Valve Association Member Unit. 

The company has always adhered to the "production, learning, research" path, engaging in independent innovation and independent research. It has successfully developed the "large-diameter 2400mm/2600mm new high-performance gas-sealed butterfly valve" and the "second-level new sealing balanced control valve". These two achievements have been applied for national invention patents, representing domestic firsts and having passed provincial technical appraisal. Their technical indicators are all ahead of those in the international market. It not only has high technical content but also is more practical, and is highly recognized by users. 

Since its establishment, the company has received strong support from all sectors of society and a large number of users. Now, it has become a key enterprise among those manufacturing "anti-corrosion" valves and pipe fittings in China. In the face of future challenges, the company will meticulously shape a unique corporate culture based on a brand-new business philosophy. With a more pragmatic spirit, better reputation, higher-quality products and more comprehensive services, it will dedicate itself to serving domestic and foreign customers.