Which company is stc microcontroller from?

Shenzhen Hongjing Co., Ltd. produces the industrial standard of super anti-interference of single chip microcomputer, and now mainly promotes the following products: low-cost STC enhanced 805 1 series FLASH single chip microcomputer, MCU-type DSP microprocessor, reset power supply monitoring circuit adopts high-performance SRAM SDRAM FLASH RS-232 RS-485 interface circuit, LDO MCU USB MCU.