The cam lock consists of locking pin and locking arm on opposite edges. It is plastic or steel and has great strength and no complicated ribs are needed. The cam lock is embedded into panels during foaming. The panels can be connected closely when you turn clockwise the cam locks by special tool which is provided with the cold room. To expand the volume of cold room, you can simply remove the panel where size increasing is desired turning the cam lock back from our works. It is easy to enlarge prefab cold room quickly. At the same time, we can produce according to your given drawings or samples.

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