Cov xwm txheej tam sim no ntawm kev txhim kho lub hnab ev ntawv
Nrog rau kev txhim kho txuas ntxiv ntawm tib neeg txoj kev nyob thiab kev noj qab haus huv, ntau lub hnab ev khoom tau dhau los ua cov khoom siv tseem ceeb ntawm tib neeg. Nws tau thov kom cov khoom ntim khoom tsis yog tsuas yog ntxiv dag zog rau kev ua tau zoo, tab sis kuj tseem yuav nthuav dav hauv kev kho kom zoo nkauj.
Tuam Tshoj yog lub teb chaws loj hauv kev tsim khoom, thiab plaub lub hnab PVC loj thiab tsim khoom tsim tau tsim nyob rau hauv Suav teb, suav nrog Guangdong Huadu, Fujian Quanzhou, Zhejiang Pinghu, thiab Hebei Baigou.
Muaj qhov xav tau loj heev hauv kev lag luam thoob ntiaj teb lub nra, uas ncaj qha txhawb nqa kev loj hlob ntawm cov khoom lag luam hauv Suav teb, ua rau kev xa tawm ntawm lub nra ua tiav qhov kev loj hlob ruaj khov. Xyoo 2007, Tuam Tshoj lub nra xa tawm tag nrho 10.81 billion US dollars, nce 24.21 feem pua ntawm tib lub sij hawm, thiab cov khoom xa tawm yog 7.779 billion, nce 21.56 feem pua ntawm tib lub sijhawm.
