Mine this type explosion-proof telephone

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Brief Introduction 1.best price 2.good quality 3.A light shining instructions Detail Introduction Mine this type explosion-proof telephone 1. The called party after receiving the ring or light shining signal, easy to work with removable machine calls on both sides, then light Chang Liang, over the two sides can be hang up when the light is put out 2. A caller after picking machine, the working indicator, can according to the called user Numbers, called user is in a state of ringing, and there is a light shining instructions, caller can hear the called party from the receiver's phone ringing out

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jining hengwang mining machinery co.ltd

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