In pics: pharmaceutical packaging material enterprise in Hebei, north China
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A technician works at the laboratory of a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A staff member works at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A staff member works at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A staff member works at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A staff member works at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A technician works at the laboratory of a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

Staff members work at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)

A staff member works at a pharmaceutical packaging material enterprise in Cangxian County, north China's Hebei Province, Sept. 9, 2021. There are more than 1,000 pharmaceutical packaging materials manufacturers in Cangxian County. (Xinhua/Luo Xuefeng)