About us Unilight belongs to the Xinhai Corporation, which is the biggest lighter producer in China. Xinhai Lighter Business: -The leading company in Chinese lighter industry; -The largest lighter developer and manufacturer in Asia; -The first enterprise that won the suit of international anti-dumping after China's accession to the WTO; Xinhai Other Business: With the core technology of precision plastic mold manufacturing and the twenty years of domestic and international marketing experience, Xinhai is devoted to the development of medical devices business.