Jiangxi Lotchem Co., Ltd. a company specifies in polymer additives, such as UV absorber, light stabilizer, antioxidant and special function additives—blue light absorber, infrared absorber and devotes to research, manufacture, sales and trade. At present, the polymer has been widely used for replacing the traditional metal, inorganic materials due to the high performance of polymer materials. But aging properties of polymer is poor, which limits the development of polymer materials. In order...