Changqingteng High Perfect Fafer Co, LTD. ke moetsi oa tataiso ea etellang pele le morekisi oa lesela la polyethylene le China. Lesela la rona la polyethylene le sebelisoa ho PER - Lipole tsa boleng le theknoloji e tsofetseng, e e etsa e 'ngoe ea lihlahisoa tse tšoarellang le tse tšepahalang' marakeng. Joaloka fektheri e etellang pele le moetsi, re motlotlo ho hlahisa lesela la boleng bo phahameng ka ho fetisisa polyethylene bakeng sa lits'ebetso tse fapaneng. Sehlahisoa sa rona se sebelisoa haholo maemong a kantle, merero ea kaho, merero ea kaho, merero ea kaho, merero ea kaho, merero ea kaho, merero ea ka ntle le indasteri e loketseng ea boemo ba leholimo bo phahameng le ho hanyetsa. Cuqingeng, re tla pelehela khotsofalo ea bareki mme re loanela ho fana ka sehlahisoa se nepahetseng le ho sebeletsa bareki ba rona. Re fana ka mebala e fapaneng ea mebala, boholo le botenya hore re lumellana le litlhoko tsa hau tse khethehileng. Ka boiphihlelo ba rona ba indasteri le theknoloji e ncha ea indasteri, re ikemiselitse ho etsa bareki ba rona ka lesela la polyethylene le fumanehang. Khetha ho qala ho ba haufi ha litlhoko tsa hau tsa polyethylene le liphihlelo tse sa fetoheng tsa sehlahisoa le tšebeletso ea bareki.