Looking for Dead Burnt Magnesite - India

We require DBM as per below specification regularly,

1. MgO 90% Min 2. SiO2 6.5% Max
3. Fe2O3 1.8% Max
4. LOI 0.2% Max
5. BD 3.1 gm/cc Min
6. Al2O3 1.0% Max
7. CaO 3.0% Max
8. Grain Size 5-30mm Max, (-5.0mm<5%)

Quantity : 5000 MT / Annual