Shanghai Filterworkshop is pressional filter fabrics manufacturers. With more than 20 years experiences in the filtration filed, Shanghai Indro Industry Co., Ltd(Shanghai Filterworkshop Co., Ltd) has become to be one of leading and professional filter manufacturers and suppliers. INDRO offers a widely range of filtration products and services relating to filtration technology. We produce filter bag making equipments or machines, filter media or fabric as rolled goods and manufacture filter bags, liquid filtration products as well as other related accessories etc. We service customers in the most diverse industrial branches- and this world-wide. Our main products: filter fabrics, dust collector filters, liquid filters and filter accessories..