An accurate quotation for a new injection mold design and build requires the following:

Data

Part drawing with toleranced dimensions/flatness specifications/surface requirements
3D database, a 3D part model, created with a legitimate CAD application
Sample parts or prototypes to review
Specified plastic resin
Scope

Launch date for production
Annual volumes
Life of program
Resin
Part path after molding
Assembly demands (gather data and physical samples of mating parts)
Automation needs
Packaging requirements
Development program or history of similar parts
Prototyping/proof of performance tooling requirement
In addition, request information on the following:

Hot runner system
Core and cavity stack spares
Mold packing and shipping
Updated/finalized database/drawings
Preventive maintenance manual
PQ: Performance Qualification criteria