... :2000.7. 10 years OEM experienceChangshan Hongfeng Tubing Co., Ltd. (HT for short), established in 2003, is a professional ... mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds ... pipe fittings, etc.Ensuring high quality reliable products, professional services and competitive prices, we are looking forward to establishing ...