Yuav kom ntseeg tau tias qhov zoo ntawm peb lub Hoobkas cov khoom, peb siv cov khoom siv raw zoo: qhov no suav nrog cov khoom siv txhim khu kev qha Foseco (risers, hardeners, thiab coatings), raws li
nrog rau cov hlau sib xyaw zoo, xuab zeb molding, thiab cov hlau seem. Cov ntaub ntawv zoo thiab zoo no yog lub hauv paus ruaj khov rau peb cov txheej txheem tsim khoom.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-24-2025