Jointly established by W. L. Gore & Associates, Inc. And Shanghai Carbon Works with a total investment of US$5.4million in September 1997, Shanghai bag filtration equipment Co., Ltd. is a well-known company with more than 30 years of experiences in developing, manufacturing and selling bag filtration components, automatic pulse clean system and related accessories under the brand name of HuangJing. The company's production facilities cover a total area of 10000m2 and capable to generate an annual production capacity of 400, 000 pulse jet valves, 300, 000 filter bags and 20, 000 pulsing controller devices. Equipped with complete range of testing facilities and advanced production machineries, the performance and quality of the company's automated and semi-automated production lines have met the international standards for relevant categories in mold design and processing, die casting, plastic injecting, press molding, plastic encapsulation, mechanical processing, welding and assembling. The company's products are widely used in dust treatment and smoke purification in ferrous metallurgy, non-ferrous metal metallurgy, construction cement, chemical, industrial power station boiler, urban trash burning and other applications.

Today, the company has become a one-step supplier in China, providing high quality bag filtration components covering pulse valve, pulse jet controller, filter bag, filter cage, special parts, electrical control cabinet and filter cartridge. The company invests large amount of capital on introducing, refurbishing and developing advanced equipment. Despite importing highly effective production and inspection equipment, the company also developed a series of special equipment by itself, providing sound insurance for manufacturing high quality products. The performance and quality of the company's automated and semi-automated production lines in mold design and processing, die casting, plastic injecting, press molding, plastic encapsulation, mechanical processing, welding and assembling have also met the international standards for relevant categories.