Founded in 1991, Zhejiang Zhaohui Filter Technology Co., Ltd. is a professional filter manufacturer and is located in the beautiful and rich Tongxiang City, Zhejiang Province, near Shanghai-Hangzhou Expressway. We are 160km away from Shanghai City and 60km away from Hangzhou City. Our geographical position is superior. With 18 years' development, now our company covers an area of 73,000 square meters including over 80,000 square meters of factory space, with more than 1,500 employees. Our products mainly cover 6 key series: High tearing strength filter paper, high efficiency glass fiber paper, melt blown fabric with electret, high efficacy separation film, SMS composite materials, and special composite filter materials. Our main products are: Filter bags, air filters, medium efficiency particulate air filters, high efficiency particulate air filters, and membrane filt