Create complex embedded linux board -- 2

We are planning to create new cheap embedded linux board with following features.
1. WIFI/BT module (must be)
2. GPS/GNSS module (must be)
3. 2G/3G GPRS module with microSIM Card Connector (2G must be, 3G optional)
4. 1XCAN (isolated) (must be)
5. 4xRS485 (isolated) (must be)
6. 2xSPI (must be)
7. 2x Ethernet (first must be, second optional)
8. 1x USB device (for boot) (must be)
9. 2X USB host (first must be,second optional)
10. 1xHDMI (optional)
11. RTC (must be)
12. audio codec with jack socket (must be)
13. CPU (minimum 1core & 500Mhz) must be
14. DDR 1GB minimum (must be)
15. NAND /EMMC 16GB minumum(bootable from usb) (must be)