Zhengyuan Powder R&D Co., Ltd. is located in industrial park of nanhui district of Shanghai city, is a national key scientific and technological enterprise. We integrate designing and developing with manufacturing, equipped with kinds of powder engineering facilities for superfine grinding and classifying of materials, as the Ultrafine Grinding Mechanical Engineering Research Center of Shandong City. Consisting of development center, trial center, fabrication center and inspection center and ...   |