2025-09-01 By August 25th, Lanzhou Petrochemical had produced a total of 54,000 tons of polyolefin products for "cool" products, such as ethylene-propylene random copolymer polypropylene RP340R, vehicle material SP179 and Gao Shuang slip polyethylene LD-2420B, with a year-on-year increase of 78%.