Appro (h.k) hoffice supplies co.,ltd, established in 2009y, is a manufacturer focusing on r&d, produce, sell copier compatible chips. with the confident core technique and pragmatic attitude, appro become one of the global professional suppliers of copier chip within 3years. at the moment, the company constituted by ic research dep., materials process dep., international trade dep., national sell dep., etc. and the main products are for sharp, ricoh, minolta, olivetti, develop, aurora etc.