تاثیر و مزیت استفاده از پدهای سنگ زنی خشک کف بتنی
The concrete floor dry grinding pads is used for polishing and leveling after the concrete floor is made. It will be used in many projects and constructions. It has good durability and results. Flatten after. There will be no caking and sand holes, and it is a kind of dry grinding pad to improve ...