Ratchet Systems for trailer

We are in Dubai based Transport Company having more than 120 trucks. We are having more than 60 curtain side trailers. We are planning to buy new curtains for replacing our old curtains and accessories will ship to Dubai.
Please quote your best rates for 16.5 mts length trailers with 3.10 mts height for the following parts accessories requirements:

ITEMS RATE
1 Curtain (L:16.5, W: 3.10)
2 Buckles
3 Runners & Bobbins
4 Rachet Systems
5 Tensioners
6 Roof Sliding Realing
7 Angle