Jingjin Environmental Protection Co., Ltd., founded in 1988, is located in Dezhou of Shandong province, a national garden city, which boasts “prominent transportation, the gate to Beijing”. The company is a complex environmental protection service provider of filter outfit production, filter technology overall plan solution and environment protection project contraction and operation. It is also the vice-president unit of China Environmental Protection Industry Association and the primary drafter of national standards for pressure filters and filter plates. The pressure filter’s production capacity and sales volume remain the largest worldwide for twelve consecutive years, and sells to 123 countries and regions.