Shandong Polymer Bio-chemicals Co., Ltd., established in 1996, is located at the Yellow River delta at the Coast of Bohai Sea, a subsidiary of Shengli Oilfield Chang’an Group. As a state level high-tech enterprise, it owns a provincial enterprise technological development center and a postdoctoral scientific research substation. The company is devoted to the research and application of chemical auxiliary agents for oil displacement and chemicals for water treatment, mainly engages in produci...