Specific granvity:2970-3070kg/m^3 Compression strength :245-254N/mm^2 Elastic modulus:1.27-1.47 N/mm^2 GraniteOur granite measuring tools and granite mechanical components are made of high quality “jinanqin”granite . due to their high precision ,long duration ,good...

1.products that directly out of factory 2.All of ourmeasuring tools and components are made of high quality "jinanqin"granite High precision  grantie components physical properties of JiNan Black :Specific granvity:2970-3070kg/m^3.Compression strength...

1.products that directly out of factory 2.All of ourmeasuring tools and components are made of high quality "jinanqin"granite High precision  grantie components physical properties of JiNan Black :Specific granvity:2970-3070kg/m^3.Compression strength...

1.products that directly out of factory 2.All of ourmeasuring tools and components are made of high quality "jinanqin"granite High precision  grantie components physical properties of JiNan Black :Specific granvity:2970-3070kg/m^3.Compression strength...

made of high quality "jinanqin"granite . Specific granvity:2970-3070kg/m^3. Compression strength :245-254N/mm^2. Our main products are granite inspection tables, squares, straight edges, square rulers, parallels, V-blocks, and granite components for high precision...

made of high quality "jinanqin"granite . Specific granvity:2970-3070kg/m^3. Compression strength :245-254N/mm^2. Our main products are granite inspection tables, squares, straight edges, square rulers, parallels, V-blocks, and granite components for high precision...

1.perfect shape 2.guarantee of quality 3.Structure has been aging treatment . 4.Machine needn't a power system.   1.       According to the popular style in Europoe and America, making the machine looks more luxuriously...

1.High-resolution 0.5 um; 2.Accuracy:3 um; 3.Toothless nut friction drive ; 4.Frame structure with rigid aluminum body ; 1.       According to the popular style in Europoe and America, making the machine looks more luxuriously...

Specific granvity:2970-3070kg/m^3 Compression strength :245-254N/mm^2 Elastic modulus:1.27-1.47 N/mm^2 Shore hardness :>Hs70  Our main products are granite inspection tables, squares, straight edges, square rulers, parallels, V-blocks, and granite components for high...

Specific granvity:2970-3070kg/m^3 Compression strength :245-254N/mm^2 Elastic modulus:1.27-1.47 N/mm^2 Shore hardness :>Hs70  Our main products are granite inspection tables, squares, straight edges, square rulers, parallels, V-blocks, and granite components for high...