... customer shenzhen ruanbo intelligent technology co.,ltd is a profession design and assembly in pcb design and assembly fiedl ,we are ... mcu(mic controller unit ) and mpu hardware , software design,pcb assembly ,our company have our factory which in ... CYPRESS, ELAN, STC, SILICON LABS, ABOV MCU software design ,and pcb design ,, infineon operates through drawing board, microcontroller hardware and ...