Founded in 2001, we are specialized in valve designing and developing. Our pneumatic control valve with ESG brand have good reputation in both domestic markets and international. By now the product have been exported to U.S.A., German, Italy, Spain, Canada, Denmark, Holland, Turkey, Southeast Asia. Our company are ISO9001 Certificated, with our advanced technology, strict management and quality control system, we are always supplying good products in industry liquid control valves. We are improving ourselves all the time to offer customers perfect product and services.