Henan Huanghe Whirlwind International Co., Ltd.
Henan Huanghe Whirlwind International Co., Ltd.
Diamond tools have huge growth space
The industrial transfer of diamond tools in the world is basically completed, and the concentration of domestic industries is low. At present, China and South Korea have become the world's diamond...
How to choose diamond blades
1. Basic data: 1 machine spindle speed, 2 workpiece thickness and material, 3 blade saw outer diameter and aperture (shaft diameter); 2. Selection basis: Calculated by the spindle rotation number and...
Standards for the Identification and Classification of Synthetic Diamonds
Recently, the “Standards for the Identification and Classification of Synthetic Diamonds” jointly developed by 17 units including the Jewelry and Jade Jewelry Management Center (NGTC) of the Ministry...
2.0~7.0 mm gem-quality colorless single crystal diamond
Company News | Yao Wenxiong, Chairman of Hong Kong Baili Group, visited the Diamond Division of the company Yao Wenxiong, Chairman of the Hong Kong Baili Group Visiting the company's Diamond Division...
