Mechanical Components   Granite machine component 

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:                           Granite machine component 

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

 (  Machine Components )

The "GOLD STONE"brand of granite measuring tools have the following characteristics:

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

                                        Granite machine component 

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.

 (  Machine Components )

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

We can provide different pieces for our customer of electronic industry, the largest size is:6000x3500x500mm.

The form of professional packaging:After assembly of carton packaging, outside the protective plywood.

Jinan Xinlei Precision Machinery Co., Ltd. is specilized in making granite precision measuring tools and granite mechanical components,centralizes develpment,producing and selling into an organic whole, And xinlei has gained ISO 9001 Certification.

Our consummate management system, reliable quality ensuring system and advanced technology and equipment, bring our product very high reputation within China and abroad."Excellent Management, Excelent Quality,Excellent service"is our quality spirit .We sincerely welcome friends from all over the world to Xinlei.