- Guangzhou Crystal Material Science & Technology Development Company
- Main business:
- Caribbean RegionBermuda
- Double Kings Diamond Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Dabei Super Hard Material Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xinxin Diamond Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Qi Bang Imp. & Exp. Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- an Hui East Brushes Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuehu DXM Diamond Tool Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Quanzhou FD Diamond Tools Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Hubei Ezhousaw Qirui Saw Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Balg Industrial Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Linyi Aiwo Tools Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wen Zhou HaoQuan Furniture Hardware Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- HK Tanlu Limit
- Main business:
- Caribbean RegionBermuda
- Keenly Diamond Tools Factory
- Main business:
- Caribbean RegionBermuda
- Hangzhou Yongfa Machinery Tools Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhengzhou Helloliu Diamond Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dongying Jinzhao Trading Co.Ltd
- Main business:
- Caribbean RegionBermuda
- Yueqing Bethel Shaft Collar Manufacturing Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Henan Yalong Diamond Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Quanzhou Xinfan Diamond Tools Co, . Ltd.
- Main business:
- Caribbean RegionBermuda