(1)Product name: granite precision measuring leveling ruler (granite leveling ruler)
(2)Granite precision measuring leveling ruler purpose: high precision inspection, measuring, lineation, equipment installation and construction of industrial engineering.
(3)Granite precision measuring leveling ruler physical characteristics: proportion: 3070kg / 2970 ~ ㎡ compressive strength: 245 ~ 254N/m ㎡ strong sexual grinding quantity, 1.27 ~ 1.47 N/m ㎡ steels are: 4.6 x 10 ~ 6 ℃ bibulous rate: XiaoShi intensity: 0.13% HS70 above
(4)Granite leveling ruler adopt high quality "