Dalian Hualong Filter Cloth Co., Ltd. manufactures industrial filter cloths and filter bags according to ISO9001:2008 quality certificate since 1994. We have 3 factories: 1. Dalian Hualong Filter Cloth Co., Ltd.: woven filter cloth for solid liquid filtration. 2. Dalian Hualong Nonwoven Filter Cloth Co., Ltd.: nonwoven filter cloth for solid liquid filtration. 3. Jiangsu Hualong Environmental Protection Co., Ltd.: Dust collect filter bags for solid gas filtration.Dalian Hualong Filter Cloth C...View More