... 3)Siemens motor 4)Efficient TWO-Head edge grinding machine JS-550A Market position: We are ... are widely used on floor surface, for renovation,grinding and polishing. We occupied the market because our ... premium raw material it has. Applications:1, For grinding, polishing, renovation, restore, repair, and new floor ... body2, 20kgs extra weight - 1 ea3, 10m electric wire - 1 ea4, dust skirt - 1 ea5, tool ...