With Intrinsic safety+ explosion-proof type detection technology, this system is able to work in the under ground environment. This underground x-ray detecting system isthe only one who got the coalmine safety certification.[Features]  ⊙ Intrinsic safety+ explosion-prooftype detecting system meet the special requirements of the underground environment.  ⊙ Combination detecting type: 3 detection boxes combined meets the requirements to inspect conveyor belt with width of 2m.  ⊙ Transmission methods like optical fiber, network and temporary storage terminal supported to meet requirements for underground inspection.  ⊙ Intelligent image analysis, automatically locates abnormal area.  ⊙ Multi-belts unified management, multi picture & text report.