Kaiping Zhonghe Machinery Manufacturing Co., Ltd |
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CE-approved OEM Antiwear Excavator Long Reach Boom And Stick , Durable Excavator Dipper Arm Extension 18M
1. Q355B as default, Q690D optional.
2. Key Force-bearing Parts are Reinforced.
3. Welding is full and smooth.
4. Adopt national standard precision pipelines.
5. Boom bushing come with an alloy copper sleeve(with
self-lubricating carbon powder inside).