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"Controlling a camera drone with hand movements alone is a major step toward making aerial technology an intuitive part of everyone's daily life, from work and adventure to moments with friends and family," said Paul Pan, senior product manager at DJI.

"Compared to those sold in brick and mortar stores, each mini excavator only costs about 50,000 yuan, less than half the giant ones. I don't know how to drive an excavator, but the worker who helped dismantle the latrines said it worked perfectly," Wang said.

"Chinese companies, especially private enterprises and SMEs, should not be anxious or impatient. Opportunities still outweigh challenges for Chinese manufacturers to go global in the post-COVID-19 period."

"Conventional quality inspection uses human eyes, which is unstable, while our application on key automotive parts has a defect recognition rate of 99 percent, enhancing work efficiency by 4 times and saving 80 percent of labor," Han said, adding that the machinery visual technology has already been used by several enterprises in the Yangtze River Delta region.

"China should roll out a strict law to protect data and seriously punish those who misuse data and violate others' privacy," Ren said.