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About UsZhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd. (hereinafter referred to as the “Company”) is a wholly-owned subsidiary of Zhengzhou Coal Mining Machinery Group (hereinafter referred to as the “ZCMG Group”), and is an important component of the ZCMG Group’s coal machinery sector’s “integrated” and “intelligent” strategies.
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ProductsCast and forged parts for the entire series of hydraulic supports used in coal mining machinery, cast and forged parts for the entire series of scraper conveyors, castings for oil top drives, castings for gas turbine cylinders, castings for crushers, forgings for tunnel boring machines, and forgings for agricultural machinery equipment, among other products.
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Technological innovationThe company places great emphasis on the integration of industry, academia, and research, and has established a deeply integrated innovation system with universities and research institutions such as Zhengzhou University, Henan University of Science and Technology, Henan University of Technology, and the Zhengzhou Institute of Mechanical Research.
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BlogWe provide abundant industry insights and company updates to help you stay ahead of the market, grasp industry trends, and jointly create a bright future.
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Join UsPersist in advancing innovation and development in tandem, closely following market demands and continuously pushing beyond our own limits.
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Contact UsWe sincerely invite you to visit our company in person for an on-site tour and guidance. We look forward to collaborating with you to achieve shared growth and create a brilliant future together.
Upright Column Cylinder Bottom
Cylinder Diameter: 125-630 mm
Weight: 14-400 kg
Tensile strength: ≥920 MPa
Yield strength: ≥760 MPa
Elongation: ≥17%
Section shrinkage rate: ≥47%
Impact energy: ≥50 J
Purpose: To seal the lower end of the cylinder body of the lifting column, withstand high pressure from the hydraulic system, and form a sealed chamber to drive the extension and retraction of the lifting column.
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Keywords： Upright Column Cylinder Bottom
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Product Description
Weight: 14-400 kg
Tensile strength: ≥920 MPa
Yield strength: ≥760 MPa
Elongation: ≥17%
Section shrinkage rate: ≥47%
Impact energy: ≥50 J
Purpose: To seal the lower end of the cylinder body of the lifting column, withstand high pressure from the hydraulic system, and form a sealed chamber to drive the extension and retraction of the lifting column.
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Zhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd.
Address: No. 58, Danjiang Road, Shangjie District, Zhengzhou City
Phone:+86-371-67891855(Administrative)
+86-371-67891856(Sales)
Fax:+86-371-67891856
Email:glgs.zmj@zmj.com
Website:www.zmjgl.com
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