| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | Negotiated |
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| Instructions for use: The trolley arch top injection molding technology takes holes on the centerline of the lining trolley arch top, installs fixed flanges and positioning flanges at the hole location, passes through the RPC injection pipe, and is fixed. After the concrete top pouring is completed, use the injection molding machine to start injection. The use of injection molding technology can effectively prevent cavities in the arch top. |  |
| The lining trolley prevents cavities in the arch during the concrete pouring process. | |
| Advantages: Single person remote control operation, flexible and convenient, cost saving, solving quality problems, reducing processes, reducing labor intensity, and saving time. Greatly reducing labor costs and solving a series of quality problems such as tunnel lining trolley side walls and concrete. | |
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