He Bei Xue Yuan Filter Co. Ltd. is located in the interchange of Beijing-Kowloon Railway, 308 State Road and Xing Qing Road, the transportation is convenient and the environment is pleasant. The factory occupies 24,000 square meters, clean workshop more than 5000 square meters, staff more than 180 people, including 38 professional and technical personnel. The factory now owns two PU filter production lines, three large air filter production lines, one set of vacuum cleaner experimental equipment and 50 sets of other specialized filters production equipment. The factory is specializing in manufacturing automotive filters, engineering mechanical filters, clean shop filters and air-conditioning filters. We follow the relevant technical standards about filter of National Association of Machinery Industry Ministry, Our products are being measured as qualified products by Administration of Quality Supervision and Inspection Center.