Business scope: Steel,
Frozen Liquid Oxygen,
Building Materials,
Office Supplies,
Chemical Products,
Equipment,
Electronic Product,
Import And Export Of Goods Or Technology,
Electrolytic Lead,
Treatment Of Waste Machinery And Equipment,
Compressed Oxygen,
Lead Monoxide,
Minerals,
Lead Antimony Alloy,
Silver,
Lead And Alloys,
Hydrochloric Acid,
Lead Silicate,
Construction Waste Treatment,
Pbo4,
...