Pakistani company price requested for biomass Boilers

Have a nice day ahead.
Here inform you that We are bidding 19 TPH biomass (corn Stover & wheat straw) fired boiler to our one of very valued client.
The boiler is corner tube type with ERK based Design.
For this project we require reciprocating step grate and its accessories.
Kindly provide us commercial and technical proposal for the grate.
Size of fuel will be 20 mm to 50 mm.
Here keep in mind that grate will be air cooled and also having system to avoid back firing.
Fuel Analysis