I-Hunan Huanda Co., Ltd.yinkokeli evelisa izinto ezintsha kwimizi-mveliso eTshayina. Sineminyaka engaphezu kwama-20 yamava okuphuhlisa, ukwenza, uvavanyo, ukuthengisa kunye nenkonzo catalysts kushishino e-China nakwamanye amazwe, ingakumbi kuMbindi Mpuma, Indiya, US Ipotfoliyo yethu imveliso ibandakanya zinc oxide desulfurization catalysts, iron oxide desulfurization catalysts, carbon activated. izinto zokususa i-desulfurization, i-COS hydrolysis catalysts, i-oxygen-removal catalysts, njl.