This company is the China General Machinery Industry Association member units, located in Shanghai City, Songjiang District, covers an area of 8000 square meters, is a high-tech enterprise integrating scientific research, design, manufacturing, services in integrated, enterprises have a variety of mechanical processing equipment more than 110 Taiwan (sets), valve testing machine three sets, more than 100 employees people, including 12 senior engineers, professional quality inspection personnel 14. All valves are subject to stringent testing before storage, to ensure the reliability of the yield and quality of. In recent years, enterprises to strengthen quality management, technical reformation was made for products, improved the process, constantly optimize the product structure, improve the technological content of products, so that the product quality steadily improve, reasonable structure, reliable performance, long service life and other characteristics.

The enterprise has a sound quality assurance system and excellent after sale service system, over the years, the enterprise always persist firmly in the implementation of the principle of quality first policy, and passed the ISO9001 international quality system certification authority certification organizations, further established the leading level in the valve industry enterprise.

The implementation of product standards are the national standard GB and America API, Japan JIS according to the user's requirements and design and manufacture, the main products are valve, gate valve, globe valve, butterfly valve, check valve, pressure reducing valve and so on more than 30 varieties, one thousand specifications, the materials used are WBC, WC6, WC9, 304L, 304, 316, 316L, 1Cr18Ni9Ti, 12CrMov, ZG1Cr5Mov etc., and equipped with a manual, gear, electric, pneumatic, hydraulic and other driving devices, products sell well all over the country, by the user's trust and praise.

All products are widely used in water treatment equipment, chemical equipment, petrochemical equipment, oil equipment, paper making equipment, mining equipment, power equipment, gas equipment, food equipment, pharmaceutical equipment, water supply and drainage equipment, municipal valves, valve, electronic machinery and equipment industrial valves, mechanical valve, valve urban construction, industrial pipe valves, general parts, industrial equipment, fire heating, central air conditioning, filtration equipment, environmental protection equipment etc.. Dan crown valve in order to repay the good reputation of the vast number of new and old users of our love, with everything for the customer satisfaction marketing idea, will continue to apply new technologies, new processes, and actively develop new products, reduce the cost, improve the quality of. To provide more quality products and perfect after sale service for the vast number of users, for the valve industry and strive.