Profile: Tangshan Baifu Chemical Co., Ltd. is a manufacturer of chemical products. We are an ISO 9001:2000 certified company. Our main products are sulpho ester anti-oxidant, phenolic anti-oxidant, UV-absorber items, anti-oxidant blends, thiodipronic acid, and nucleating agent. We have many sulpho ester anti-oxidant items such as DLTDP, DSTDP, DTDTP, and DMTDP. Our main phenolic anti-oxidant is phosphite ester anti-oxidant. Our ultraviolet absorber UV-326 is a good ultraviolet absorber, and is widely used in PE, PVC, PS, ABS, and rubber. It can be used in combination with heat stabilizers and anti-oxidants to produce synergistic effect. It largely absorbs ultraviolet in wavelength range of 313-350 nm.