a few days ago, guangzhou academy of science and technology "polyolefin photostabilization technology application research" project won the third prize of science and technology progress in guangzhou city.the selection was sponsored by guangzhou science and technology innovation committee.this project effectively improves the long-term weatherability of polyolefin materials.compared with the domestic similar products, the product of the project can better solve the problem of continuous migration and precipitation of the light stabilizer with the prolonged use time;compared with the similar products abroad, the production cost is relatively low and has the price advantage.