Sanyi Pump Truck Boom Support Leg Pin Shaft Bronze Bushing Sanyi Pump Truck Boom Pin Shaft Bronze Bushing Sanyi Leg Pin Shaft

1. Adopt high-strength copper alloy substrate (such as high-strength brass) and optimize design for pump truck conditions, ultra-high load and impact resistance

2. Unique self-lubrication design to achieve maintenance-free, using graphite self-lubrication technology or optimized oil line design to achieve long-term maintenance-free

3. Precise size and tolerance control, ensure assembly accuracy, strictly follow the original factory drawings and tolerance standard manufacturing

4 As original accessories, its material, heat treatment process and surface cleanliness are perfectly matched with other parts of the pump truck (such as pinshaft, housing, seal). Using the original copper casing can avoid early failure due to material mismatch, is an important choice to ensure the efficient and safe operation of the pump truck.

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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