We specialize in filter cloth with polyester, polypropylene, vinylon, which are mainly used for paper-making, environmental protection, printing and dyeing, coal washing, petro chemical, pharmacy, panel plant, metallurgy, and ferment, etc. non-woven fabric; cloth frame; filter bag; airslide fabric. Know more information, please refer to our website: www.sh-lingqian.com.cn If you have any query, please contact me at your any time. Hope to receive your kind reply. Thanks and Best Regards. Chen Wenhai/Manager Shanghai Lingqian Materials Co., Ltd.