Jointly established by W. L. Gore & Associates, Inc. and Shanghai Carbon Works with a total investment of USD 5.4 million in September 1997, Shanghai Bag Filtration Equipment Co., Ltd. is a famous company with a tradition of more than 30 years in developing, manufacturing and selling bag filtration components, automatic dust-clean systems and accessories under the brand name of Huanjing.With product lines of pulse jet valves, dust control devices, filter bags, filter bag cages, special parts, electric control cabinets and filter cartridges, our company enjoys the most complete options and the highest quality of bag filtration components in China. Our production facility covers an area of 10,000 square meters. We have production lines with an annual capacity of 400,000 pulse jet valves and 300,000 filter bags, and a production line with an annual capacity of 20,000 dust control devices. With full ranges of testing equipment and advanced production techniques, the performance and quality of our automatic and semi-automatic production lines in mold design and processing, die casting, plastic injecting, press molding, plastic encapsulation, mechanical processing, welding and assembling have met the international standards. Our products are widely used in dust treatment and smoke purification in ferrous metallurgy, non-ferrous metal metallurgy, construction cement, chemical, industrial power station boilers, urban trash burning and other applications. Our products are exported in large quantities to the USA, Europe and Southeast Asia and enjoy great popularity both at home and abroad.Being awarded the titles of the "Foreign Invested Hi-tech Company in Shanghai" and "Hi-tech Company in Shanghai", our company has passed ISO9000 quality system certification and has been tested by the British Standards Institution (BSI). Our company has also been awarded the titles of "The Key Company in Environmental Protection in China", "A-class Company being creditable in Taxpaying in Shanghai" and "A-class Company being Creditable in Accounting in Shanghai". Our company was named as "the AAA-class Company Adhering to Contract and Credit in Shanghai" in 2003. Our 6 categories of products have passed the test held by State Administration of Environment Protection.Backed by leading technology, our products sell well in the market. The total sales values and the numbers of users have kept increasing for years. Adhering to the principle of "people-oriented", our company will focus on introducing and cultivating human resources, stably improving product quality, developing new products, enlarging the sales networks and providing a sound foundation for the sustainable development of Shanghai Bag Filtration Equipment Co., Ltd..