Inquiry about MOC Brick Set Sourcing & Kitting Service NEW

We are a South Korean brand launching premium ART MOC brick sets for collectors. We are looking for a manufacturing partner who can handle full BOM component sourcing, strict quality control, and set-based polybag kitting. We have two models: Model A (approx. 1,050 pcs) and Model B (approx. 1,700 pcs). First, we need 1 sample kit of each model for physical testing. After inspection, we will select one model and place a 500-set mass production order. Please provide a quotation including: - Unit price per set (bulk brick supply cost) for 500 sets of each model - Set-based polybag kitting/sorting fee per set - Sample total cost (parts + kitting + express shipping to South Korea) and lead time - Bulk shipping estimate for 500 sets to Incheon Port or Incheon Airport, South Korea - Availability of gold color options (Pearl Gold, Metallic Gold, Bright Gold) and price variances - Custom outer box packaging MOQ and unit cost (if available) - Alternative part suggestions for any out-of-stock rare parts