Tianjin Longswin Filter Co., Ltd. is a manufacturer of filter products. Our products are widely used in petrochemical, power plant, metallurgy, mine, cement, electronic, tobacco, food, pharmaceutical, and other fields of industry. We have excellent technology, advanced detection means, strict quality management system to meet the domestic and international customers' demands. Our company has a high quality marketing team and our sales network spreads widely both at home and abroad. We have a good reputation among our customers. "United and progress" is our spirit and "good faith" is our management tenet. Thank you for choosing our high quality products and good services.