... Lijian Diamond Abrasive Tools Co.Ltd.The main products are as follows:Electroplate Diamond Discs,Diamond Core Hole Drills,Diamond ... tools, garden instrument and all household implements and tools, such as knives, scissors, slice, etc...They are all electroplated with ... are also not capable of refining an edge as well or to as great an extent as synthetic or natural whetstones. Diamond whetstone With ...