I want to offer steel dust and scale Q'ty about 30 MT/month (both items)
Scale composition
      Cd 16.57 mg/kg
      Cu 52.09 mg/kg
      Pb 23.74 mg/kg
      Ni 33.68 mg/kg
      Cr 248 mg/kg
      Zn 65.51 mg/kg
Dust composition
      Cd 21.69 mg/kg
      Cu 896.0 mg/kg
      Pb 75.46 mg/kg
      Ni 388 mg/kg
      Cr 1,433 mg/kg
      Zn 189 mg/kg
Please contact if you interest.