Specific Gravity: 2970-3070kg/m3 Compressive Strength: 245-254Mpa Shore Hardness: Above 70Hs

   The first we should  tell you ,our well-beloved customers,we are a professional manufacturer in shandong ,China,All of our product are directly out of factory and to your country.

Our main products are granite inspection tables, squares, straight edges, square rulers, parallels, V-blocks, and granite components for high precision equipment such as granite bases and guide rails. Our machinery equipment can also finish the process of drilling holes, having slot and bonding inserts according to customers' requirements. we have passed the ISO 9000 and Our granite surface table is calibrated according to JB/T7975-1999 and JJG117-91 standards and we can also make the granite measuring tools according to different countries' standard.

Granite CMM Body.

Material:Ji Nan Black.

Brand Name:Square Machine

Our granite measuring devices and granite mechanical components are made of  high qualityJinan Blackgranite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industy and such scientific areas as mechanicalaerospace and scientific researches.

Physical Property ofJi Nan BlackGranite:

Specific Gravity:             2970-3070kg/m3

Compressive Strength:         245-254Mpa

Elastic Modulus:              30-50Gpa

Linear Expansion Coefficient: 4.61x10-6/0C

Water Absorptivity:           ≤0.07

Shore Hardness:               Above 70Hs

The " Square Machine "brand of granite measuring tools have the following characteristics:

1  High precision  reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.

2  No-rust and anticorrosion.

3  Wear resistance long service life.

4  Any cutting or scraching for working surface does not bring about roughedgeswhich might  influence its measuring precision.

5  Non magnetization.

6  Glossy surface  without sluggishness when the workpieces or tools are moving on it.

CNC Components made of granite,including base,column,beam and railway,with a maximum of 6000x3500x600mm.

We warnly welcome friends from all of the world to visit our website and our factory ,we will offer you the high quality product with compeitive price and our best sevice.hope this will be a start of our long term business cooperation that we called win-win.

  Sales manager:Ms Nancy

ShanDong Square Precision Machinry company.Co.Ltd

Industury zone Zhaozhaizi count,GaoTang,LiaoCheng city,ShanDong province,China.

   

granite plate