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DHigh precision machinery components granite components
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.
Granite Straight Edges
The "GOLD STONE"brand of granite measuring tools have the following characteristics:
Granite Straight Edges
1 High precision reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.
2 No-rust and anticorrosion.Granite Straight Edges
3 Wear resistance long service life.
4 Any cutting or scraching for working surface does not bring about roughedgeswhich might influence its measuring precision.Granite Straight Edges
5 Non magnetization.
6 Glossy surface without sluggishness when the workpieces or tools are moving on it.
Use for high precision measuring.
Physical Property ofJi Nan Black Granite:
| Phisical Property | Reference Value |
| 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 form of professional packaging:After assembly of carton packaging, outside the protective plywood.
1.Reply your requiry in 24 working hours.
2.Experienced staffs answer all your questions in professional.
3.We offer testing report.
4. The material is Jinan Black, maybe with some natural colour.
5. Payment: T/T 50 as deposit, then T/T the rest before shipment. Or L/C at sight.
6.sales MOQ:1 piece.
7.After-sales service:If products have any problems in use,we can accordng to customer's request offer to debug or repair.
8.Lead time for exporting. According to the size and quantity. We have different lead time for exporting.
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
Our customers:
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