Company Profile


      Qingdao Jingrui Machinery Manufacturing Co., Ltd. (stock transaction code: 800219) is located at No. 15 Jinshajiang 1st Road, Jimo Tongji Industrial Park, Qingdao. It is adjacent to Qingdao Port and is a high-tech enterprise integrating R&D, production and sales of pneumatic control valves.


      The company introduces overseas valve technology and is committed to building a standard for small and medium-sized stainless steel pneumatic control valves. It mainly produces stainless steel pneumatic angle seat valves, air control shuttle valves, air control diaphragm valves, air control butterfly valves, ball valves, pressure reducing valves, steam traps, Check valves, filters, etc., are widely used in textile printing and dyeing, foam molding, air separation, chemical, food, pharmaceutical and other industries. The products are sold to 66 countries around the world, and have good and long-term cooperative relations with many world top 500 companies such as American GM, Emerson, Xylem, South Korea Samsung, etc., with advanced technology, excellent product quality and excellent after-sales service. Has won the trust and praise of customers.


      The company has advanced stainless steel precision casting, precision machining, valve assembly testing and other production lines, equipped with German imported spectrometer, three-coordinate detector, projector, surface roughness meter, hardness tester and other world-class testing instruments, and passed ISO9001 quality management system certification, EU CE certification, Russian CU-TR certification, FDA, USP, ATEX and other international qualifications, since its establishment in 2001, it has obtained 35 patents in succession, including 5 invention patents and 23 utility model patents. 7 patents. Since the implementation of the brand strategy, the “ESG” trademark has been registered to cover 23 types of trademark rights and has been successfully registered in more than 20 countries including the United States, Germany, France, Japan, Russia, Portugal and Australia. In the past 20 years, ESG has received more than 2,000 domestic products. Outstanding customer praise.


       Companies adhering to the "for the world, make a good valve" corporate declaration, determined to build a valve industry benchmark, with excellent quality and service to express ESG's respect and sincerity to customers!


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