Zhou Chengjian, China's 62nd richest person last year with a fortune of USD 4.1 billion according to one estimate, was back working at the Shanghai-headquartered company after colleagues lost contact with him earlier this month, Metersbonwe said in a statement over the weekend.
It did not explain his disappearance, but said company operations were normal and board secretary Tu Ke - who went missing at the same time as Zhou - had also returned to work.
His disappearance came weeks after Guo Guangchang - chairman of one of the country's biggest private-sector conglomerates Fosun, and who has been dubbed "China's Warren Buffett" - vanished from public view in connection with an investigation by authorities, and then re-emerged.
Since Xi Jinping took office as president three years ago, China has launched an unprecedented anti-corruption campaign, which has brought down government officials and corporate executives.
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The state-backed China Economic News Weekly magazine reported yesterday that state-backed funds tasked with propping up the stock market during last year's rout bought shares in Metersbonwe, which trades on the Shenzhen stock exchange.
The firm - which has been called a Chinese version of fast-fashion retailer H&M - has nearly 4,700 outlets and franchises, according to its website.