Siv cov thawj aluminium kub, thaum tshav kub LED kev khiav hauj lwm derived, kom tsis txhob overheating thiab tivthaiv tsis ua hauj lwm teeb meem LED teeb;sheeting tuaj yeem xaiv seb puas yuav sib tov, kom tau raws li qhov xav tau ntxiv;Stainless hlau ncej, mus txog 3 xyoos yuav tsis xeb.