School Boards 12.000 pcs quotation request RFQ from Georgia

Here is technical options of what exactly kind of boads we need.
Could you tell me what will be the price of one such board? and how much time do you need to produce 12000 pieces?
School Board Technical Options :
1. Board surfaces: Metal plate, not less than 0.5 mm thick, length 200 cm, width 120 cm (including the frame). Color dark green tone. Chalk-designed for writing materials.
2. Frame: aluminum material, with rounded corners. Corners can be covered with plastic material.
3. Board su