Ventilation fans for industrial kitchen hoods RFQ from Oman

We are looking for Commercial kitchen exhaust and fresh air fans for the following capacities

Exhaust fans – Box type ( motor should be separated – not in the air stream)
1. 10,000 Cfm
2. 8,000 Cfm
3. 6,000 Cfm
4. 4,000 Cfm

Fresh Air fans – Box type
1. 8,000 Cfm
2. 6,000 Cfm
3. 4,000 Cfm

Kindly advise availability, price and delivery period for the same urgently