沧州众一阀门有限公司 位于河北 南皮县，主营 阀门、阀门配件 等。公司秉承“顾客至上，锐意进取”的经营理念，坚持“客户”的原则为广大客户提供优质的服务。欢迎惠顾！ Cangzhou zhongyi valve co., ltd” is located at Botou – foundry Hometown of China, As a professional in precision casting and maching of stainless steel valves and fittings manufacturer. We have quality testing device FSQ spectrum analyzer,ensuring hing efficiency and quality, we have passed ISO 9001、TUV0036 and a complete set ...[详细介绍]