Transformers

We are asry shipyard in bahrain. need some transforners for a future project and seek your assisitance. please indicate the price and delivery time for following.
1. distribution transformer, dyn11, 11500/415v, 50hz, 3 phase, class f or higher, onan, 2000kva - 5 sets
2500 kva - 2 sets
1800kva - 2 sets