Hauv thawj peb lub hlis twg ntawm xyoo 2013, vim muaj cov khoom lag luam loj uas twb muaj lawm thiab muaj kev txhawb nqa los ntawm kev nqis peev qis qis, kev thov rau kev tsim kho tshiab tseem tsis muaj zog. Txhawm rau tswj cov nqi thiab txo cov peev txheej khi rau hauv cov khoom tiav, cov tuam txhab loj tau ua ntej destocking thiab tau txais kev ceev faj txog kev tsim khoom. Noj cov khoom siv excavators thiab loaders ua piv txwv, cov khoom tsim tawm hauv thawj peb lub hlis twg yog 38,225 units thiab 47,199 units raws li, piv txwv li xyoo -ntawm - xyoo txo ntawm 32.3% thiab 14.4%. Qhov poob ntawm cov khoom siv excavator tau nthuav dav los ntawm 10.7 feem pua cov ntsiab lus piv rau tib lub sijhawm xyoo tas los, thaum qhov kev poob qis hauv cov khoom thauj khoom nqaim los ntawm 6.3 feem pua.
20 xyoo dhau los tau pom qhov nce ceev tshaj plaws hauv Tuam Tshoj txoj kev loj hlob hauv nroog, nce los ntawm 27.99% hauv 1993 txog 52.57% hauv 2012. Qhov kev nce siab hauv nroog loj no ua rau muaj kev xav tau ntau ntxiv rau kev tsim kho tshuab, uas yog qhov loj tshaj rov qab mus rau xyoo pua golden ntawm Tuam Tshoj txoj kev siv tshuab kev lag luam. Cov kev paub dhau los ntawm Tebchaws Meskas, Nyiv, thiab Brazil qhia tias kev siv nroog loj, tom qab ntau dua 50%, tuaj yeem tswj tau siab - kev loj hlob sai rau ze li ntawm 20 xyoo, tsuas yog maj mam qeeb tom qab tshaj 70%. Kev txhawb nqa nroog loj tau dhau los ua lub hom phiaj ntawm tsoomfwv tshiab. Thawj tsab ntawv "Plan for Promoting Healthy Urbanization Development (2011-2020)," coj los ntawm National Development and Reform Commission, tau ua tiav thiab yuav tshaj tawm sai sai. Nws yog qhov pom tau tias nyob rau hauv 20 xyoo tom ntej no, kuv lub teb chaws txoj kev loj hlob ntawm kev loj hlob yuav ncav cuag 70%.
