Hongji Instrument& Valve Manufacturing Co., Ltd. Was founded in 2009. It covers approximately 46000 square-meter lands and is located in Tianchang City, Anhui Province, China. Our company has committed to producing needle valves, bleed valves, instrumentation manifolds, ball valves, and tube fittings. Detail Contact: Web: https://www.valvemanifold.com/ Email: sales@hongjienterprise.com WhatsApp: + 0086 18226669977