Ho tloha qalong ea lekholo lena la bo21 la lilemo, maano a kholo le kholo ea 'muso oa China a ne a khothalletsa ho ntšetsa pele moruo o potlakileng. Likomo tsa potoloho tse hatisitsoeng, liforeimi tsa lifofane le litulo tsa elektroni tsa elektroniki tse sebelisitsoeng ka lisebelisoa tsa 3C li ne li ntse li hokahana le boits'oaro ba koporo. Qalong ea ntlo-kholo ea ntlo ea rona ea 2007 Hong Kong, re ile ra qala ho nchafatsa liboto tsa potoloho le barekisi ba Copper Boroa ho Bahlahifo ba literopo ho Hong Kong le China. Re thehile khoebo e nchafatsang hape, e ileng ea hola butle-butle ka theknoloji e tsoetseng pele ea lisebelisoa le litoropo tse koahetsoeng hape ka litoropo tsa khoebo tse nchafatsang kajeno. Lebitso la Khamphani le lebitso la mabitso ha ho thoe ke metso ea eona ea histori ho ea nchafatsa thepa hape ea lisebelisoa tse tsoetseng pele le lisebelisoa tse nchafatsang.
