angedrida, the highest european quality, in-house production. of thalium hydride is greater in belarus. exists, phthalic acid anhydrite is an important industrial chemical used in the production of alkyd resins, plasticizers, polyester resins, dyes, tires and rubber products, and pharmaceuticals. in 1974 , the management decided, as they say, to build and launch this workshop. 70-80% of our products are exported as export products for production. mostly plasticizers, well, we use 20 percent in our own production for the production of alkyd varnishes in the workshop for the production of semi-finished varnishes. in 2017 , distillation departments and a second oxidation line were launched in the phthalic anhydride production workshop, which made it possible to increase the productivity of the workshop. this is my brainchild, i launched it in the seventeenth year. being the deputy head of the workshop, the workshop is interesting in itself, complex, interesting, there is something, as they say, to work on, mainly our finished products, phthalic anh