Hand pumps

I want to purchese the following hand pumps from eligible manufacturer

Hand pumps
A, Afridev hand complete for 12m installation depth Qty 50 set
B, Afridev hand complete for 30m installation depth Qty 50 set
C, Afridev hand complete for 45m
installation depth Qty 200 set

D, Indian mark II hand pumps complete for 51m installation depth. Qty = 100set
with accessories & spare parts to be clarified on the attachment