Tipper of 15, 25 tons (for use in mines)

INQUIRY
Dear Sir/Madam
My name is ..., and I am writting from ...

Our company ... was founded in 1990, located in Germany and Serbia.
We mainly deal in program of buses and trucks.

We, as ..., are in search for the following trucks:

GARBAGE TRUCK of 9 tons
GARBAGE TRUCK of 7 tons
TIPPER of 15 tons (for use in mines)
Quantity: 3 units
DUMP TRUCK of 100 tons (for use in mines)
Quantity: 4 units
TIPPER of 25 tons
Quantity: 1 unit

Please find attached detailed technical