QR code payment kit, Banking applications, ARM CPU board, hardware development

Banking applications, 

1,ARM CPU board, hardware development
1.1) PCB design
1.2) SMT and testing

2,programme development,
2.1)Based on Windows OS, the comunnications between the products and the computer and the banking software system
2.2) software development support to customer

3, product assembly
3.1) cover design
3.2) tooling and plastic part molding,
3.3) product assembly