亚洲国产一区二区在线,亚洲国产精品久久精品成人,亚洲国产成人久久综合区,国产精品剧情原创麻豆国产,免费国产综合视频在线看,9191精品国产免费不久久,久久久久久久久久久大尺度免费视频,日本免费观看高清视频大全,国产欧美日韩精品第一区

     Tianjin Junyu Pump & Machinery Co., Ltd. is dedicated to the petroleum, petrochemical industry to provide a single, double, three screw pump, chemical pump and associated control equipment professional enterprise. The company has passed the GB/T19001-2008/ISO9001:2008 certification; GB/T24001-2004/ISO14001:2004 certification and GB/T28001-2001 certification, and a network of Sinopec suppliers to be evaluated by.

     Since the establishment of the company has with the relevant scientific research institutes to establish a partnership, has designed and developed a variety of petroleum, petrochemical, chemical, coal, transportation, mining, construction, power plants and other infrastructure industry complete with pump, and improve the testing, detection method and the corresponding program.