Vim li cas thiaj xaiv peb?
Tag nrho cov tawb mesh net, tawb thav duab, pub trolley laub, pub troughs, kav dej, siv quav ciab, galvanized silo thiab lwm yam khoom hlau yog tag nrho cov tsim los ntawm HEFU factories, Yog li peb tuaj yeem tswj tus qauv thiab zoo rau peb cov khoom.Ib qho tseem ceeb tshaj plaws yog tias peb tuaj yeem kho peb cov khoom tsim raws li koj cov kev xav tau nthuav dav.