HQC Gulu Lakhazikitsidwa pafupifupi zaka 30, ndi gulu la akatswiri lamankhwala okhazikika pa biological buffering agents, zodzikongoletsera zopangira, mankhwala apakompyuta, zopangira zomera ndi mankhwala abwino. "HQC?" Mtunduwu walowa m'misika yapadziko lonse ya Korea, Japan, Southeast Asia, North America, South America, Middle East, Europe, etc., kupereka zinthu zofunika kwambiri zopangira mankhwala opanga mafakitale monga mankhwala, mankhwala, mapulasitiki, mphira, chakudya, zodzoladzola, utoto wa pigment, essence ndi zokometsera, zomwe zimapindulitsa makasitomala ambiri kunyumba ndi kunja. Ili ndi makasitomala okhazikika ku Korea, Japan, United States, Europe, Korea, Brazil, Southeast Asia ndi mayiko ena ndi zigawo.