Iraq buyer looks for Self Priming Pump

I am writing to inquire about the availability and pricing of self-priming pump impellers with the following specifications:
Impeller No. 1
• Application: Self-priming centrifugal pump
• Impeller position / reference: POS 520 (or equivalent)
• Impeller size / diameter: 24 mm
• Required pump capacity: approximately 6 m³/hr.
• Quantity required: 75 pcs

Impeller No. 2
• Application: Self-priming centrifugal pump
• Impeller position / reference: POS 520 (or equivalent)
• Impeller size / diameter: 28 mm
• Required pump capacity: approximately 6 m³/hr.
• Quantity required: 54 pcs
• Liquid: Clean water (non-corrosive)
• Material: Please advise available options (e.g., cast iron, stainless steel, bronze, plastic)