Profile: Qingdao Zoranoc Oilfield Chemical Co.,Ltd is a manufacturer and supplier of oil field chemicals, pipeline drag reducer, petroleum refining additives and oil well cementing chemicals. Cementing chemicals are the chemical agents dosed in the cement to ensure the smooth cementing operation and good cementing quality. 10 types of additives of cementing are accelerator, retarder, defoaming agent, drag reduction agent (dispersant), fluid loss additives, anti-gas migration agent, spacer fluid, latex, reinforcing agent and weighting agent.