Boehmite

Monga m'modzi mwa akatswiri opanga ndi ogulitsa boehmite ku China, tili ndi-zida zotsogola padziko lonse lapansi komanso luso lopanga lamphamvu. Chonde khalani otsimikiza kuti mugule boehmite wapamwamba kwambiri wopangidwa ku China kuno kuchokera ku fakitale yathu. Kuti tikambirane zamitengo, tilankhule nafe.