Shanghai Purethy Environmental Technology Co., Ltd. (SPE) was founded in 2010, specializing in designing and production of industrial filters. SPE has continuously invested and dedicated its efforts in producing and supplying various factory environment treatment, industrial fluid filtration and separation, desulfurization and dust removal of smoke and gases exhausted into the atmosphere.

Over time SP has strengthened its technical capability built through its experiences and contacts with design institutes and universities, which translates to providing effective solutions and products to its customers. SP's solutions help keeps plants running at its best by improving plant performance.

SPE offers various filtering devices and systems, filter bag and filter cartridge and also provides corresponding valves and accessories to customers. Products of the Company are widely used in petroleum, chemical, pharmaceutical, food, metallurgy, environmental protection, electric power, mining, construction and other industries. Where projects calls for, SP is also capable of design and manufacture ASME "U" pressure vessels, with ISO 90001 and ISO 14000 strictly implemented during the manufacturing process.

SP can count major Chinese companies and multinationals at its clients and has to-date supplied its products to many local and overseas projects including Australia, America, Canada, Mongolia, South Korea and South Africa.