Beijing DEYI Diamond Products CO., Ltd was first established in Beijing in 1997, then moved to Huanggang, Hubei Province, China in 2016, specializing in the research, development, production, sale and ...
Strick quality test control system. We pay attention to the quality of both raw material and finished products. Our quality testing includes diamond grit testing, matrix tolerance testing, hardness ...
Address : Room 715, Block A, Jinhai Business Rich Center, Nanmofang Street, Beijing
Worktime: 8:30-18:30 (Beijing time)
Email : vicky@dytool.com
