Leano la ho ikopanya ha lichaba tsa lefatše

Kamora lilemo tse fetang 20 tsa nts'etsopele ea indasteri le pokello ea mahlale, k'hamphani ea Dahe e hlahisitse mefuta e fetang 100 ea lihlahisoa tsa "self drilling screw series", tse rekisoang haholo Chaena, 'me li romeloa India, Russia, United States, Canada, Australia, India, Kazakhstan, Afrika le linaha le libaka tse ling tse fetang 20, tse rorisoang haholo ke bareki ba malapeng le ba kantle ho naha.