
Ec55b Boom Hydraulic Cylinder Manufacturer for Volvo Excavator Spare Parts. OEM & ODM Customization: Accepts OEM and ODM services with customizable materials, colors, and mounting types. High-Performance Materials: Uses high-quality alloy steel tubes with precision honing and hard chrome plated piston rods. Strict Quality Control: ISO9001 certified with 100% hydraulic pressure and leakage testing before delivery. Customizable Pressure Ratings: Work pressure can be customized to 7/14/16/21/31.5MPa or 37.5/63MPa as required. Durable Construction: Features forged steel end fittings and CNC-machined precision for heavy-duty excavation. Flexible Color Options: Available in Black, Yellow, Blue, Brown, or fully customizable colors to match equipment. Fast Delivery Service: Stock items delivered in 7-10 days; out-of-stock items typically ship within 15 days.