Network tshiab xov xwm rau July 2, limestone kom conveyor ntawm tus promenades coos hauv Changjiang, Hainan tau teb tso rau siv. Siv cov conveyor siv Gallery, limestone ntawm cov mine yuav tau txais kev pab ncaj qha mus nyob rau sab ntau lawm, ntawm ntoo ntawm limestone plua tshauv, emissions, piv nrog cai lub cev muaj zog thauj, festive zog ntawm 11100 tons uas txheem thee, thaum yuav luag 20,000 tons carbon dioxide emission ntawm diesel combustion thiab zog tshaj 91.4%.
