latest news: recently, the upstream production unit of shanxi qingda changxing biotechnology co., ltd., with an annual output of 20,000 tons of 1,3-propanediol (pdo) project undertaken by china ener ...

latest news: on july 15th, puyang chemical organized the completion and acceptance of the 200,000-ton/year calcium carbide project (the first phase of 100,000-ton annual construction project). yans ...

latest news: liansheng chemical group will be in k 2022 showcased its growing range of products. recent hals products to market include ls-2020 for fibers and films of polyolefins and other polyme ...

latest news: at 10:00 on july 20, 2022, “shandong yiborun new material technology co., ltd. phase i 100,000 tons of polyurethane composite polyether” was held in wudi xinhai provincial c ...