Kos npe rau daim ntawv cog lus muab khoom ntawm peb txoj kab galvanizing

Thaum Lub Rau Hli 2017, peb tau kos npe rau peb daim ntawv cog lus muab khoom rau cov kab galvanizing nrog cov neeg siv khoom hauv Wuxi, Shexian thiab Tangshan;