Located in Luoyang, a charming and historical city of Henan Province in Central China, Luoyang Duo Wei Si (DWS) Environmental Protection Technology Co., Ltd., is one of the leading filter media suppliers. We are specialized in manufacturing, researching and developing all kinds of filter fabrics in China. Our company provides a wide range of filter bags made from PPS, P84, Aramid, Polyester, Acrylic, Polypropylene and Fiberglass. Our products can be widely used in chemical, cement, metallurgy, steel, asphalt, power generate and other industries.



With the development and...