daim ntawv sau npe

• Thee Hmoov Sau

• Kev lag luam tsis muaj zog

• Hmoov Txiv Hmab Industrial

• Qab Zib Cog

• Chiv Nroj Tsuag

• Electroplating

• Kev lag luam tshuaj tua kab

• Khoom Noj Khoom Haus Industrial

• Asphalt

• Txau Tshuab Ziab Khaub Ncaws

• Coal Zeb

• Fais Fab Cog Kev Lag Luam

• Kuv

• Limestone

• Maas

• Hlau

• Hlau Induestries

• Alumina Tus Me Nyuam

• Electrolytic Txhuas

• Tsis siv neeg hlau ntau lawm

• Ntoo Ua

• Kev Ua Noj Ua Haus

• Kws Tshuaj Kev Lag Luam

• Tsis Muaj Oxidation Txhab Los Ntawm Coal

• Khib Ciaj

• Hlau Sib Tsoo

• Tshuaj Txhuam Tshuaj

• Tsis-Ferrous Hlau Ntau Lawm

• tej hub

• Iav Kev Lag Luam

• Kilin Hauv Cement Factories B

• Corrosive Roj

• Tshuaj lom neeg, hlau sib tsoo, Wa

• Maas Kiln

• Raug Rho Tawm Haujlwm Boiler

• Tshuaj Kev Lag Luam

• Cov pa roj carbon