... high quality Maleic Anhydride Flake/Briquette 2,purity:99.5% 3,60000MT/YEAR 4,packing: ... plastics, etc. It is main material of binary acid with four carbons, 1,4-butanediol r-butyrolactone, ... sale of maleic anhydride, beta naphthol, bon acid. 2,locationOur company is located in Tangshan ... ,production capacity Baotie launched our tar process with production capacity of 120,000 tonne/y ...