QG series steel yeeb nkab tua blasting tshuab rau kev kho saum npoo, so cov txheej txheej oxide, vuam slag, pom cov xim hlau ci, nce thaj tsam ntawm qhov chaw, uas yog nyiam UV. Nws siv hauv kab roj av & tshuaj lom neeg, hlau, cua sov hauv nroog, hauv nruab nrab cov kua dej thiab lwm yam.
Nyeem ntxivXa lus nug