I-Hunan Huanda Co., Ltd. ingumholi onobuhlakani kuma-catalysts wezimboni e-China. Sinesipiliyoni seminyaka engaphezu kwengu-20 sokuthuthukisa, ukukhiqiza, ukuhlola, ukumaketha kanye nokusevisa ama-catalyst wezimboni e-China nakwamanye amazwe, ikakhulukazi eMpumalanga Ephakathi, e-India, e-US Iphothifoliyo yethu yomkhiqizo ihlanganisa ama-catalysts e-zinc oxide desulfurization, izisusa ze-iron oxide desulfurization, ikhabhoni ecushiwe. ama-catalysts e-desulfurization, ama-COS hydrolysis catalysts, ama-catalysts okukhipha umoya-mpilo, njll.