TRAIRF own the most advanced computer-controlled tinder barrier-free air filter, a clapboard air filters and folding filter automatic production line, has perfect testing equipment and dust-free clean production workshop.TRAIR® Air Filter are widely used in semiconductor, nuclear industry, electronics, medicine and health care, biological experiment, food and beverage, electrical equipment, environmental protection, chemical industry, coating, automotive and other fields.Tianrui's quality management system has successfully obtained ISO9001 &CE certification.