... 1. Product Name: Brass angle valves, ball valves, gas valves, needle valves, check valves, self saddle valves, stop valves, gate valves and so on2. Raw Material: ... Hongfeng Tubing Co., Ltd. (HT for short), established in 2003, is a professional manufacturer of various brass fittings. ... the strategy as “Competitive price with good quality”. In addition, HT had got the Quality Control certificate of ...