Hebei Diefei Valve Co.,Ltd is authorized DNV,ISO 9001:2000 and CE Certificate.We established Crane Ningjin Valve Co.,Ltd with Crane Valve USA in 1995.We own rights to import and export. We manufacture and export butterfly valve(wafer,lug,flange,metal to metal sealing and high performance type),wafer check valve,resilient sealing gate valve,expansion joint,Y strainer. Contact person:Ms fancy zhao/Ms Jun zhao MSN:fancyzhaojun@hotmail.com