0171 - Mianyang, A Flourishing City In Northwestern Sichuan Province. Two t...Front

Mianyang, A Flourishing City In Northwestern Sichuan Province. Two technicians do a final check of the type B ultrasonic diagnosis instruments produced by the Fujiang Wired Plant. This diagnostic instrument has been used by 70 percent of the hospitals research institutes of the country. Photo by Sun Zhongjing