From laboratory in far west, China’s surveillance state spreads quietly | Reuters

““Right now, as I understand it, only two provinces in the whole country don’t use these,” said a sales representative at Zhongke Ronghui Security Technology Co Ltd, a Shaanxi-based firm that produces the XDH-5200A, one of the scanners detailed in several police procurement documents.

The representative said police stations across the whole country could consult a centralized repository of extracted data. “Almost every police station will have the equipment.””