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Topic：
Notes on purchasing polished diamond
Lab grown diamonds are really good, but there are few sellers on the market. They don't have the diamond ring style that you like. Can you buy the polished diamond to customize the diamond ring? ......More
What is lab grown diamond? What is CVD diamond?
A kind of diamond is popular in European and American markets. It is similar to natural diamond, but the price is much more favorable. Merchant call it lab grown diamond. ......More
Zhengshi Technology System Standard Collective Training
On the afternoon of August 7, 2020, Shanghai Zhengshi Technology Co., Ltd. carried out an employee training for all employees. ......More
