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Qinhuangdao Innovation Technology Development Co., Ltd is a professional, modern and high-tech enterprise with advanced production capabilities and high level managerial work skills, which is located in the Yanshan University Science Park. The co***ny dedicated to research, development, production, technical services and sales of steel pipes and pipe fittings, and professional conveying machinery. The Co***nies set up production in the "pipeline equipment manufacturing base in China" -- Yanshan County, Hebe...
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