
China Factory Customize Rod Coupling Cylinders. Full Process Processing: Capable of processing cylinders with diameter 63-630mm and length under 6 meters throughout the entire process chain. Customized Design: Design can be customized according to working pressure, size specifications, and installation methods required by customers. High-Pressure Performance: Designed for high pressure (31.5-42 MPa) and heavy load with high compressive performance using premium steel. Advanced Surface Treatment: Offers milky white chromium, hard chromium, laser cladding, and copper melting with salt spray resistance up to 3000 hours. Premium Material Selection: Uses high-strength materials from Shanghai Baosteel and Daye Steel with strict heat treatment and welding processes. Reliable Sealing System: Equipped with well-known brand seals like Hallite and Youtaike using imported high-quality polyurethane materials. Robot Welding Technology: Joint pressure welds adopt robot welding to ensure beautiful, reliable joints and reduce leakage risks. Comprehensive Quality Testing: Every cylinder undergoes 9 rigorous tests including pressure-tight, leak, and reliability tests before shipment.