The PanGu is an STMicroelectronics STM32MP1 powered single-board computer (SBC), which should offer good value for money for some developers. The board runs Debian Jesse and Yocto Linux and is available to order from Taobao for 499 RMB (~US$72.50).
https://www.notebookcheck.net/I2Som-PanGu-an-STM32MP1-powered-Raspberry-Pi-Linux-alternative-that-costs-US-72-50.427632.0.html