1.Cooperation agreement
2.Customer drawing and quality requirement
3.Evaluation and design
4.Pricing and negotiating
5.Confirm solution with customer
6.Engineering samples for quality confirmaiton
7.Make moulds and toolings
8.First sample for quality confirmaiton
9.Testing
10.Packing design
11.Neccesary documents for customer confirmation
12.Trial order
13.Quantity order
14.Arrange for production
15.Shipment