- Henan Banner New Material Co., Ltd.
- Main business: diamond powder,diamond paste,diamond suspension,diamond spray polishing agent
- East AsiaChina(Mainland) (Manufacturer,Trader)
- Suzhou Best Clean Electrical Co., Ltd
- Main business: No.12 Chengtai Road, Xiangcheng District, Suzhou City, Jiangsu Province, China
- West AsiaBahrain
- Henan ZT SuperHard Products Co., Ltd
- Main business: Sper Hard products
- East AsiaChina(Mainland) (Manufacturer,Wholesale)