Diamond enhancements are specific treatments, performed on natural diamonds (usually those already cut and polished into gems), which are designed to improve the visual gemological characteristics of the diamond in one or more ways.
Mandarin is the language of instruction of China and Taiwan. Mandarin is one of five major regional languages of China. It spreads wider than any other regional language, from the whole northern part of China down to Yunnan Province in the southwest corner of China.
Mandarin Chinese is the official language of Mainland China and Taiwan, but it is not the only language spoken in the Chinese world. Besides the regional variations of Mandarin, there are several Chinese languages which are mutually unintelligible with Mandarin. Cantonese is one of these languages.Cantonese is spoken in Guangdong and Guangxi provinces, Hainan Island, Hong Kong, Macau, Singapore, Malaysia and many overseas Chinese communities.antonese is one of these languages. Cantonese is spoken in Guangdong and Guangxi provinces, Hainan Island, Hong Kong, Macau, Singapore, Malaysia and many overseas Chinese communities.