Step 1. Design scheme（PROE or CAD）
Step 2. Product design（include structure and materials）
Step 3. Cost calculations
Step 4. Down payment
Step 5. Design mould
Step 6. First sample
Step 7. Modifications
Step 8. Clients confirmation
Step 9. Final payment
Step 10. Mass production
Customer Design：
include material，color，structure，package .etc
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