Guangzhou Longhuilong Filter Co., Ltd. is a subsidiary of Huilong Filtration Group (HL Filter). During more than 20 years, HL Filter has progressed to a leading brand in the field of liquid filtration systems. Huilong Filtration Group includes Guangzhou Longhuilong Filter Co., Ltd., Guangzhou Aikang Filter Facility Co., Ltd. and Suzhou Huilong Purifying Filter Co., Ltd. Both of Guangzhou Longhuilong Filter Co., Ltd. and Suzhou Huilong Purifying Filter Co., Ltd. are ISO9001 certified for manufacturing liquid filter series, including filter vessels, filter bags, filter cartridges and filter accessories. Guangzhou Aikang Filter Facility Co., Ltd. is specializes in air filter series, such as primary efficiency filter, secondary efficiency filter and HEPA filter. As the development of our company, HL Filter has become one of the largest manufacturers of liquid filtration systems (filter bags, filter vessels, filter cartridges) in China. We have more than 1,000 customers in China. We have independent export right and we have exported our filter products to worldwide. Our products are appreciated for their high qualities and reasonable prices.We have extensive experience to provide the best filtration solutions according to your needs. We are dedicated to anticipating, meeting and exceeding customer's expectations by providing high quality products and prompt services. We are planning to enlarge our market and we are willing to provide service for more customers who need the solutions for filtration problems.Your best choice is HL Filter.