Inquiry about Fuel Injector PN 25182812

I am looking to purchase fuel injectors with Part Number 25182812 for application in Daewoo Damas / Chevrolet Damas (Model 2010). Quantity required: 2000 units. Please provide your best quotation based on the following details: - Unit Price - Quality: Specify if OEM, High-quality Aftermarket, or Genuine GM - Testing: Confirm if 100% flow-tested and leak-tested before shipping - Packaging: Options for neutral box or customized brand packaging - Lead Time: Estimated days to prepare the order - Sample: Availability of 20-50 units for quality testing prior to bulk order I seek a reliable long-term supplier for our market.