河南省德石天然油石厂

“GS”nature whetstone(天然油石) is produced from nature quartzite by exactitude machining method. Ore is a deformation structure of granite, particle size is polygon and equimultiple axes form. Because of this kind of particle size, “GS” nature whetstone is compared with other productions, it has some characteristics, such as compact formwork、minute particle size、high rigidity、 little abrasion、using long time etc. It is widely used in any kinds of exactitude measure、screw thread lathe tool、dividing lathe tool、rubbing slice up for medicine、bistoury、infection pinhead and any kinds of knife-edge, such as rubbing and polishing pendulum shaft of clock、shaft tine of instrument、clock’s accessory、high-hardness alloy of pen tine、high-level plotting instrument and other kinds of exactitude mechanism accessory. http://www.chinawhetstone.com