Mine communication cable: Use: This product is used underground for telephone communications wire, wiring and subscriber line. Conditions of use: Cable ambient temperature of -40 ° C to +50; at 25 ° C, humidity 95%; cable laying temperature ≥ -10 ° C; cable laying bending radius MHYV of ≥ 10 times the cable diameter ≥ 15, and the remaining models times the cable outer diameter. Standard: MT818.14-1999 mine communication cable specification model, product name, and role MHYV, (1 × 2 2 × 2 × 4 5 × 2) × 7/0.28 coal mine polyethylene insulated PVC sheathed wire core PE insulated PVC sheathed mine communication cable is used to strengthen the communication cable is used to drift Inclined the the electromechanical chamber MHJYV 4/0.28 copper + / 0.28 steel wire 1 × 2 2 × 2 for use in mines higher mechanical damage Lane and the Inclined MHYAV 1/0.8 (20 × 2 30 × 2 50 × 2) × 0.8 coal with polyethylene insulated aluminum polyethylene bonding layer PVC sheathed mine communication cable is used to damp inclined peace the Lane MHYA32 (30 × 2 50 × 2 80 × 2) × 0.8 coal using polyethylene bonding layer polyethylene insulated aluminum wire armored, PVC sheathed mine communication cable used for shaft and inclined MHYVR, for use in mines polyethylene insulated PVC sheathed communication soft the cable MHYVP coal with polyethylene insulation, braided shield PVC sheathed communication soft the cable MHY32 coal insulated steel wire armored, braided shield PVC sheathed communication cables MHYVRP coal insulated PVC sheathed communication cables MHVV (HUVV) mining flame-retardant PVC sheathed telephone cable used for drift, Inclined the electromechanical chamber MHJYV (HUJYV) Mine flame-retardant polyethylene insulated PVC insulated reinforced PVC sheathed soft phone cable for better tensile strength MHYBV (HUYBV) ore insulated galvanized steel wire braided armor mounted flame-retardant PVC sheathed communication cables for high mechanical shock level Lane, the Inclined MHYBV (2 ~ 10) × 2 × (0.75 to 1.5) mm2 MHYBV 1X (7) X (0.75-1.5) from mm2 MHYAV (HUYAV) mining polyethylene insulated aluminum / plastic composite tape shield flame-retardant PVC sheathed communication cables used in wet and slanted to make the communication line MHYA32 (HUYA32) Mine insulated aluminum / plastic composite with a shielded wire armored flame retardant PVC sheathed communication cables for the coal mine shaft or inclined to make communication lines MHVV32-4 (4 × 1.5) mining flame retardant combination of communication cable for the communication lines of the coal mine shafts or inclined MHPVP3V32-7 (2 × 2 × 0.5 +1 × 0.5 +2 × 6.0) of the coal mine resistance burning a combination of communication cables used in coal mine shafts or inclined to make communication the line MHYVRPZ mine insulated aluminum / plastic composite tape shielding braid armored soft PVC sheathed communication cables are used and slanted lines of communication