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 experience of 20 years in filtration field, DWS boasts a professional group of engineers with rich and varied experience in design, development and implementation of viable solutions ensure your filtration requirements are fulfilled. Now we have the newest production lines and test sets as well as our high tech composite filtration fabrics. DWS also applies various chemical finishes to manufactured fabrics which possess outstanding performance and durability. Based upon the types of application that filter will be used for, we can assist you in selecting the correct filter materials to improve your filtration efficiency.

As environmental regulations have become increasingly restrictive, DWS works closely with institutes and colleges to develop new fabrics and finishes with the appropriate properties to meet these stringent requirements.

We look forward to establishing a long-time and steady relationship with you in the near future.