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above: a copper circle eight trigrams abacus of the ming dynasty. below: 24-bit superconducting quantum computer model is on display at the world manufacturing convention in hefei, east china's anhui province, on sept 20, 2022. [photo/xinhua] the world of ancient and modern manufacturing is showcased at the world manufacturing convention in hefei, east china's anhui province. from the contrast photos of manufacturing products in ancient and modern times, visitors can experience the progress made in china's manufacturing industry. with a total exhibition area of 59,000 square meters, the event features nearly 40 activities, including exhibitions, seminars, from sept 20-23 to showcase how china has created a beautiful world with manufacturing. 
above: a chinese calligraphy brush pen is showcased. below: an ai translation pen produced by iflytek is showcased at the world manufacturing convention in hefei, east china's anhui province, on sept 20, 2022. [photo/xinhua] 
above: a man makes paper in jingxian, anhui province. below: a man observes a piece of substrate glass at the world manufacturing convention in hefei, east china's anhui province, on sept 20, 2022. [photo/xinhua] 
above left: a shuanglianbi is on display. above right: an elastic wheel is on display. below left: models of wheel for the high-speed train "fuxing" are on display at the world manufacturing convention in hefei, east china's anhui province, on sept 20, 2022. below right:: a harmony type 3 power locomotive wheel model is on display. [photo/xinhua] 
left: a bamboo vest from the qing dynasty is showcased in wuyuan county, jiangxi province, on jan 3, 2009. right: clothing made of high-tech materials is on display at the world manufacturing convention in hefei, east china's anhui province, on sept 20, 2022. [photo/xinhua]
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