Import request for magnesium silicate Iran

we need 27 ton Q-Agent ( magnesium silicate) with below specification CFR IRAN
ph=9.8-10.8
chloride: 0.05%
bulk density: 3.5-51
sulfate: 0.05%
loss on heating: 10%
specific surface area 80 m2/g
component : MgO 13-15 %
SiO2 65-68 %