Beijing: Chinese smartphone maker Xiaomi on Monday unveiled a new version of ?its in-house Xring ?smartphone ?processor, betting that deeper control over key components will help strengthen its supply chain ?and reduce reliance on external chip suppliers.The introduction of Xring O3 comes a year after Xiaomi launched its first proprietary smartphone processor, the Xring O1, marking the latest step in the world's third-largest smartphone vendor's push to join rivals such as Apple, Samsung Electronics and ?Huawei in ?developing its own chips.TSMC will manufacture the new chip using its 3-nanometre production technology, two people familiar with the matter ?said.Also read: From…