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350 Ton Heavy Duty Hydraulic Cylinder for Bridge Jacking / Industrial Lifting
US$100.00-3,000.00
1 Piece
Product profile
Customization
AvailableCertification
ISO9001, CCSPressure
High PressureModel NO.
YYG-350Work Temperature
-20℃- +80℃Acting Way
Double ActingWorking Method
Straight TripStructure
Piston TypeMaterial
Carbon SteelCustomize
OEM ODMPressure Environment
High Pressure(16-35MPa)Body Material
Carbon Steel / Alloy SteelTransport Package
Exported StandardSpecification
Bore: Φ300mm / StrokeTrademark
zhonghaiOrigin
QingdaoHS Code
8412210090Production Capacity
50000Key features
100% Ultrasonic Flaw Detection: Seam welding completed with special machine and 100% ultrasonic testing for Class I standard compliance.
Anti-Rust Chromium Plating: Piston rod exposed surface is chromium-plated to prevent rust even in long-term sea fog conditions.
OEM and ODM Customization: Full customization available for bore size, stroke length, rod diameter, mounting type, and paint color.
International Brand Seals: Seals from renowned brands like British Hallite or domestic DZ ensure high performance and reliability.
High Precision Processing: Cylinder barrel uses rolling, honing, and polishing for high dimensional and geometric accuracy.
CCS Classification Approval: Product certifications available from CCS, BV, and DNV classification societies.
One Year Warranty: Comprehensive one-year warranty with long-term track service for after-sales support.
100% Factory Testing: All cylinders undergo performance tests on hydraulic test benches before leaving the factory.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.69h
About Our Factory & Business Background
Address1-3 Floors, East Side of No. 3 Factory Building, No. 8, Anhe 1st Road, Longshan Street, Jimo District, Qingdao City, Shandong Province, Qingdao, Shandong, China
Plant Area7500 square meters
Number of Employees25
Registered Capital10,000,000 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)EXW, CFR, CIF, FOB
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Minimum Order Quantity100 cartons
Supply Chain Partners12
Our Production Capability & Technical Expertise
Main ProductsZipper Bag, Slider Bag
Production Lines1
Production MachinesFilm blowing machine
QA/QC inspectors2 people
Inspection Type for Finished Products100% inspection(Visual inspection)
Inspection Method for Finished ProductsFinished product checked by packing staff
R&D Engineers2 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2025-08-25
Main MarketsEast Asia(Japan/ South Korea)
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff2
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:Do you accept OEM/ODM manufacturing?
A:
Yes! We do accept OEM/ODM manufacturing. We will make the exact product according to your specification and drawing.
Q:Could we get small quantity samples?
A:
Yes! We understand the quality test is important and we are glad to make the sample for you. The MOQ is one pcs.
Q:How long is the production time?
A:
Generally the production time is 30 days.
Q:What certifications do your products have?
A:
Our hydraulic cylinders and winches have obtained certifications from CCS, BV, and DNV.
Q:What is the warranty period?
A:
We offer a one-year warranty and long-term track service to solve any after-sales problems.
Send Inquiry
*To:
Qingdao Sealtech Packaging Materials Co., Ltd.
Qingdao Sealtech Packaging Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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