DONGYINGRISOLWELLCHEMCO.,LTD which is established in dongying, shandong province, China, is a high-tech oilfield chemical enterprise with production plants and core lab with full sets of
cemeneting and stimulation additives test appratus.
Our technical director is unviversity chemical professor who has been reasearching and developing cementing and stimulation additives for more than 20 years, who hold many patents of oil well cementing AMPS fluid loss additives, AMPS retarders and dispersants, cementing defoamer etc.