The larger ones are Jiangsu Zhengda Senyuan Group Co., Ltd. and Jiangsu Dongfang Filter Bag Co., Ltd., both of which have related patented products and have the title of well-known trademark in China. There is also Jiangsu Fumeisi, which belongs to the listed company Shanghai Borg filter media.

Followed by similar scale, such as Jiangsu Lantian Environmental Protection Group Co., Ltd., Jiangsu Mingjing Fabric Co., Ltd., Jiangsu Dongda Fabric Co., Ltd., Jiangsu Shengli Industrial Cloth Co., Ltd. and so on.

for reference only