Aosite, kaha 1993
Mmaraka oa lefats'e oa thepa ea ka tlung o kene mohatong oa kholo e tsitsitseng. Ho latela ponelopele ea Setsi sa Patlisiso ea Indasteri ea Khoebo ea China, boleng ba tlhahiso ea 'maraka oa thepa ea ka tlung bo tla fihla ho lidolara tse limilione tse likete tse 556.1 ka 2022. Hajoale, har'a linaha tse kholo tse hlahisang le tse jang thepa indastering ea lefats'e ea thepa ea ka tlung, China e nka karolo ea 98% ea tlhahiso le thekiso ea eona. Ka lehlakoreng le leng, United States, hoo e ka bang 40% ea thepa ea ka tlung e romelloa linaheng tse ling, 'me ke 60% feela e hlahisoang ka boeona. Hoa bonahala hore United States, Europe le linaheng tse ling kapa libakeng tse nang le tekanyo e batlang e phahame ea ho buleha ha mebaraka, matla a 'maraka oa thepa ea ka tlung a maholo,' me bokhoni ba ho romela thepa ea thepa ea naha ea heso bo ntse bo e-na le menyetla e sa lekanyetsoang.
Joalo ka indasteri e hlokang mosebetsi o mongata, indasteri ea thepa ea ka tlung e na le litšitiso tsa eona tse tlase tsa tekheniki, hammoho le phepelo e lekaneng ea lisebelisoa tse tala le litheko tse tsitsitseng, e leng se bakang palo e kholo ea likhoebo tsa China tse fanang ka thepa ea lapeng, liindasteri tse hasaneng le khatello e tlase ea indasteri. Ha re hetla morao ka karolo ea mmaraka ea indasteri ea thepa ea ka tlung ka 2020, likhoebo tse etelletseng pele indastering li ne li sa fete 3%, mme karolo ea mmaraka ea thepa ea lapeng ea boemo ba pele ea OPPEIN e ne e le 2.11% feela.