chemical raw khoom
pab factories nyob rau hauv ntau tshaj 60 lub teb chaws yuav cov khoom uas tsis muaj nqi zoo
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saib ntxiv
Advantageous Industry Chain
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Cov Khoom Siv Tshuaj
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Tsim cov saw khoom thoob ntiaj teb, tau txais lub koob npe zoo.
peb ib txwm aesive zoo zoo raw khoom, optimize cov khoom saw, aim kom muab cov neeg muas zaub ceev thiab nyab xeeb txoj kev yuav khoom.