- Henan Yalong Superhard Materials
- Main products: synthetic diamond powder, diamond paste, diamond compound
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- 0-0.5 Micron 30000 grit Diamond Powder lapidary powder, grinding powder
- 30 years factory synthetic diamond micron mesh polishing powder
- real diamond polishing and cutting powder, synthetic diamond micron powder
- ceramic polishing powder, industrial synthetic diamond micron powder polishing
- diamond lapping powder, micron powder polishing metal
- 20 years manufacturer synthetic diamond abrasive powder
