Zhiyi Specialty Chemicals Co., Ltd. Has been dealing in the antioxidants, UV absorbers since May, 2001 and set up its own antioxidants manufacturing base in Zibo, Shangdong in May, 2006. At present, the products are sold to the fields of high polymers, resins and rubbers as well as other fields in neeed of these special product performances. Zhiyi has been playing the leading role in the technology of the antioxidants and light stabilizers of high performance.