cac ban oi cho minh hoi: Nghi dinh 108/2008/ND-CP co chuong thong tin hoa chat, dieu 18 co noi ve thu tuc khai bao hoa chat minh thay khong hieu
cong ty minh mua H2SO4 98% dam dac ve roi pha loang thanh cac nong do 73%,50%,..de ban cho khach hang, mua HCL ve ban. vay minh co can phai khai bao...