Anhui BIDA Optoelectronic Technology Co., Ltd. is a Chinese manufacturer that specializes in high-precision optical color sorting equipment for agricultural, food processing, recycling, and mining applications.

The company, founded in 2012 and headquartered in Hefei's Yaohai High-Tech Industrial Park, manufactures color sorters for rice, grain, bean, maize, tea, plastic, and mineral. BIDA machines use modern CCD camera systems (up to 5400-pixel resolution), ARM/DSP/IOT integration, LED-based color identification, and one-button data synchronization to separate raw materials by color, shape, and size, with fault detection precision as low as 0.01 mm². 

The company's primary models include the BDT tea sorter, BDT5 dal/lentil sorter (3-6 t/h capacity), BDT7 corn sorter (up to 7 t/h capacity), and high-channel rice/grain sorters (up to 640 channels).