India, Dec. 3 -- Japanese electronics maker Sharp Corp. (SHCAY.PK) has laid off more than 3,000 foreign workers in Japan as the company moves production of iPhone sensors to a Chinese plant owned by parent Foxconn, Nikkei Asian Review reported.

The deep job cuts come as Japan debates whether to bring in more foreign workers amid a national labor shortage, and they illustrate how such employment is often at the mercy of manufacturers' production cycles.

Sharp's Kameyama plant in western Japan won a contract to assemble sensor components for facial recognition features on the iPhone X, which went on sale in November 2017. The Osaka-based company ramped up hiring of foreign workers, many of Japanese descent, that summer before starting produ...