Dongying Weiaien Chemical Co.,Ltd, one high-tech chemical enterprise, locates in Shandong province, China. We're specialized in to supply various chemical products, focus on R&D of Environmental protection plasticizer. Our plasticizer has up to European regulations testing standard, and are widely used in medical, food, children's toys and so on.Our main products are Dioctyl-Phthalate(DOP), Dibutyl phthalate(DBP), Dioctyl sebacate(DBS), Di-isobutyl nylon acid(DIBA), Dicoty terephthalate(DOTP), Trioctyl Trimellitate(TOTM), Dioctyl adipate(DOA), Dioctyl sebacate(DOS), Triethyl citrate(TEC), tributyl O-acetylcitrate(ATBC) and so on.