Founded in 2004, Qingdao Raynol Chemical Co., Ltd is committed to product development and technical services. The three major categories of our products are polyester polyols, flame retardant, and chemical additives. The polyester polyols are widely used in the fields of insulation materials, coatings, elastomers, adhesives and so on. The chemical additives mainly include emulsifiers, PU flexible foam additives and PU rigid foam additives and so on.