Forevermark: 永恒印记 - 许魏洲

De Beers：De Beers is the world's largest diamond mining company. De Beers has been synonymous with diamonds since it was founded in 1888.

Forevermark：Forevermark is part of the De Beers Group, a global diamond authority with a history of more than 120 years. Since the beginning of the 20th century, De Beers has controlled 90% of the global diamond industry and is the world's leading diamond company with reliable expertise in diamond exploration, procurement and marketing.