Buying RFQ for counterweights for Israel

Our company develop and assemble automatic parking systems and we would like to get a proposal for counterweights.
We are using for each project the total of 8000 kg weights, separated to 225 units.
Do you produce weights by drawing or all of your parts are standard,
if you do please send me a separated quote for the attached weight for 500 units and for 225.
Also please send me your standard weights catalog.
please reply to my mail so I could send you the drawing