Tongming Construction Machinery Lifting Oil Cylinder 47 Meter Chassis Accessories Pump Truck Chassis Lifting China (Hunan)
1. Adopting a dual lift hydraulic cylinder design (four cylinders in total) instead of the traditional simple structure of single or double cylinders, the dual cylinders lift synchronously, ensuring smooth and stable lifting without any shaking The system integrates bidirectional hydraulic locks and mechanical limit devices (such as safety pins or braces) to eliminate the risk of falling back Equipped with manual lifting pump handle or convenient electric control switch, user-friendly operation, can be completed by one person The connection between the lifting mechanism and the chassis beam has been strengthened to enhance structural support and adapt to heavy load conditions

Changsha Concrete Ming Machinery Co., Ltd. specializes in construction machinery parts, offering original and OEM components for brands like Sany and Zoomlion. Based in Changsha, China, it serves 20+ countries with over 30 employees, providing technical solutions and after-sales services. Quality is ensured through pre-production samples and final inspections, with a focus on durable, compatible spare parts for concrete pumps and excavators.








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