Shijiazhuang Kelin Filter Paper Co., Ltd is the member unit of China Internal-combustion Engine Industry Association. Taking filter paper as the predominant products, merging with science, techniques, trade as an organic, it is an enterprise specializing in producing filter materials. With annual output of wood pulp filter paper 5,000 tons. Cotton pulp filter paper 1800 tons. Our company has passed the authentication of ISO9001: 2000 International quality mannagement system, and obtained the title "Excellent enterprise for Respect quality, keep contract" granted by China Technology Supervision Information Association, "demonstration unit for double guarantee of quality and credit". The products are widely used for the fields of motor, auto, engineering machinery, internal-combustion etc. The sales network is spread all over the country, and exported to South East Asia, South America, Middle East, and some counties and regions of Africa.