1, time of appearance: Tian Daming was a brand that appeared in the 7th century to10th century, and South Korea Daming appeared in the early 7th century.
2. Scope of business: Daejeon Daming focuses on the design, manufacture and sales of glasses, and is one of the earliest glasses brands in Korea. As the largest eyewear brand in Korea, South Korea Daming has several sub-brands, covering a wider range of consumer groups and a larger market share.