Very High Precision Granite Pillar Which Was Used on CMM, Drilling Milling Machines for PC Board and Laser Machines with Grade00 of DIN, JIS or GB Standsrd for Precision Machine

Very High Precision Granite Pillar Which Was Used on CMM, Drilling Milling Machines for PC Board and Laser Machines with Grade00 of DIN, JIS or GB Standsrd for Precision Machine

Granite pillars Jinan Fortunate Precision Machinery Co., ltd. is the leading manufacturer of Granite Surface Plates since 2004, We can provide our customers with a great variety of granite pillars which are used on Three Coordinate Measuring Machines(CMM), Laser Machining and Inspection...

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Granite pillars

Jinan Fortunate Precision Machinery Co., ltd. is the leading manufacturer of Granite Surface Plates since 2004, We can provide our customers with a great variety of granite pillars which are used on Three Coordinate Measuring Machines(CMM), Laser Machining and Inspection Machines, Drilling Machines for PC Board, Engraving and Milling Machines etc.

Perfect enterprise management mechanism, reliable quality assurance system and advanced technology and equipment, people- oriented management concept, so that our company in the commodity economy philosophy, in order to provide more quality products and first-class service for customers, Jinan Fortune precision machinery co.,ltd and you work together in China Precision career.

Physical Property of Jinan Black Granite:
Specific Gravity: 3.03 g/cm3
Shore Hardness: > 70Hs-80Hs
Tensile strength: 211Kg/cm2
Compressive Strength: 245-254Mpa
Linear Expansion Coefficient: 4.61′10--6/°C
Elastic Modulus: 30-50Gpa
Water Absorptivity: ≤0.13%

Why choose us:
We are the first and largest company in manufacturing precision granite products, and have more than 14 years experience in this field. The company has more than 200 employees, including professional and technical personnel 140 people, strong technical force .Our company is located in the Jinan green granite mine foot, rich in mineral resources. The company's mechanical processing equipment, equipped with advanced electronic testing equipment, to achieve the computer data processing.

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