Golden Sun (300606.SZ) released an announcement that the company has recently received 2 invention patent certificates issued by the State Intellectual Property Office of the People's Republic of China. Patent name: a water-resistant sandpaper and its preparation method; a polishing consumable and its preparation method and pressure injection equipment.

It is reported that the invention patent "a water-resistant sandpaper and its preparation method" relates to the technical field of sandpaper, and specifically relates to a water-resistant sandpaper and its preparation method. The water-resistant sandpaper of the invention has good water resistance, good cutting ability, high strength and good flexibility, which can highlight the self-sharpening performance of abrasives and improve the sharpness and grinding efficiency of the sandpaper.

In addition, the invention patent "A polishing consumable and its preparation method and pressure injection equipment" relates to the technical field of polishing consumables, specifically to a polishing consumable and its preparation method and pressure injection equipment. The polishing consumables of the present invention have a better grinding and polishing effect, can improve the wear resistance of the polishing consumables and extend their service life.