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Xi'an Zhengri Information Technology Co.,Ltd
Our factory located in Zhengzhou and we specialized in Nodular cast Iron / WCB butterfly, ball, check & gate valves for almost 30 years combining with the high-speed internet technology (IOT Technology) in domestic China. We're a professional factory and specialized in low pressure(0.25-4.0Mpa) butterfly & Eccentric half ball valves. Our products applied from DN50 to DN2800 which mainly used in urban water supply, sewage treatment system. 
Our factory located in Zhengzhou and we specialized in Nodular cast Iron / WCB butterfly, ball, check & gate valves for almost 30 years combining with the high-speed internet technology (IOT Technology) in domestic China. We're a professional factory and specialized in low pressure(0.25-4.0Mpa) butterfly & Eccentric half ball valves. Our products applied from DN50 to DN2800 which mainly used in urban water supply, sewage treatment system.
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