Potassium carbonate

Please quote for supplying 100 mt of potassium carbonate according to the following specs :
potassium carbonat
specifications item
98 % wt. min total alkalinity as k2co3
1.0 % wt. max sodium as na2co3
20 ppm wt. max chlorides as cl
30 ppm wt. max sulphate as so4
50 ppm wt max silica as sio2
5 ppm wt max iron as fe
6 % wt max hydroxide content as koh