Our company is the biggest base for producing carbonyl iron powder and carbonyl nickel powder in China and the largest nickel sulfate manufacturer in the world. Now we have produced carbonyl nickel powder of high quality: (Type-1:JNT-1; Chemical Composition: Ni(Balance),C(1.0% maximum),O(1.0% maximum),S(0.001% maximum),Fe(0.01% maximum); Apparent Density:1.5-2.2g/cm3; Average granule:0.5-1.0 micron) (Type-2:JNT-2; Chemical Composition: Ni(Balance),C(0.25% maximum),O(0.15% maximum),S(0.001% maximum),Fe(0.01% maximum); Apparent Density:0.5-0.65g/cm3; Average granule:2.2-2.8 micron) (Type-3:JNT-3; Chemical Composition: Ni(Balance),C(0.25% maximum),O(0.15% maximum),S(0.001% maximum),Fe(0.01% maximum); Apparent Density: 0.75-1.00g/cm3; Average granule: 2.6-3.3 micron)