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Valvento is one of the brands of Anhui Hongji Instrument and Valve Manufacturing Co., Ltd. Its a subsidiary of Anhui Tiankang (Group) Co., Ltd., a large-scale conglomerate established in 1974 and headquartered in Tianchang City, Anhui Province. Our company has committed to producing needle valves, bleed valves, instrumentation manifolds, ball valves, and tube fittings since then.