350 Ton Heavy Duty Hydraulic Cylinder for Bridge Jacking / Industrial Lifting, Heavy Duty Hydraulic Cylinder

350 Ton Heavy Duty Hydraulic Cylinder for Bridge Jacking / Industrial Lifting, Heavy Duty Hydraulic Cylinder. 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.