Hangchi Co.ltd e iqapetse litokelo tsa patent tse 29 tsa mohlala, tse 45 tsa moralo oa lihlahisoa le litokelo tse 4 tsa boqapi (ho kenyeletsoa le boqapi bo le bong ba machaba ba PCT)
Hangchi Co.ltd ea kajeno, eo fektheri e nang le lisebelisoa tse ka bang 20,000 e nang le thepa e ntle e ntseng e tsoela pele ho khanya tšimong e ncha ea matla.
