Eyasungulwa ngo-1992 njengomenzi wolawulo lobushushu eShunde, eGuangdong, I-Huilong inamava amashumi eminyaka ekuboneleleni ii-thermostats ezisemgangathweni zoluhlu olubanzi lwezixhobo zasekhaya, Izixhobo zentengiso, ukhuseleko, izixhobo zeshishini kunye nomzi mveliso wezithuthi. NjengeShishini leTekhnoloji ePhakamileyo, I-Huilong iphumelele imveliso ezenzekelayo kunye nokudityaniswa ngasemva kwetyathanga lokubonelela ukuqinisekisa ulawulo lomgangatho wemveliso, iimpendulo ezikhawulezileyo nezibhetye zeemfuno zomntu ngamnye. Ngokufanelekileyo, imveliso yonyaka ingaphezulu kwezigidi ezingama-300 zeeyunithi kwaye iyanda ngokuqhubekayo. Ukongeza, uHuilong udlulise isatifikethi se-lSO9001 ngo-2003. Iimveliso zethu zihambelana ne-EU RoHS Directive kwaye ziqinisekiswe yi-CQC, VDE, UL, TUV, CE, CB.