should take the cost of the tooling into account. the price should include below items:
1. Tooling depriation: need to know the cost of tooling and the volume.
2. Cost of Resin & Colorant: need to know the price and usage of resin and colorant.
3. Molding cost: need to know the molding labor cost and cycle time.
4. Scrape rate: according to actual situation, such as 3%
5. Packing cost: according to actual situation, usually the molding is done at supplier site...