Qualification and Honor

  • KTJ132 intrinsically safe dispatch machine explosion-proof certificate
    KTJ132 intrinsically safe dispatch machine explosion-proof certificate
  • KTH186 intrinsically safe telephone explosion-proof certificate
    KTH186 intrinsically safe telephone explosion-proof certificate
  • SPA110 Explosion proof Certificate
    SPA110 Explosion proof Certificate
  • KTA152 Mining Coupling Explosion proof Certificate
    KTA152 Mining Coupling Explosion proof Certificate
  • Explosion proof Certificate for SPHJ-D Series Products
    Explosion proof Certificate for SPHJ-D Series Products
  • SPS-D Explosion proof Digital Anti noise Loudspeaker Station Explosion proof Certificate
    SPS-D Explosion proof Digital Anti noise Loudspeaker Station Explosion proof Certificate
  • 【 MA 】 KTJ132 Intrinsic Safety Dispatch Machine Safety Standard Certificate
    【 MA 】 KTJ132 Intrinsic Safety Dispatch Machine Safety Standard Certificate
  • 【 MA 】 KTH186 Intrinsic Safety Telephone Safety Standard Certificate
    【 MA 】 KTH186 Intrinsic Safety Telephone Safety Standard Certificate
  • 【 MA 】 KTA152 Mining Coupling Safety Standard Certificate
    【 MA 】 KTA152 Mining Coupling Safety Standard Certificate
  • 【 MA 】 KT821 Coal Mine Dispatch Communication System Safety Standard Certificate
    【 MA 】 KT821 Coal Mine Dispatch Communication System Safety Standard Certificate
  • 【 KA 】 KTJ132 intrinsically safe dispatch machine safety standard certificate
    【 KA 】 KTJ132 intrinsically safe dispatch machine safety standard certificate
  • 【 KA 】 KTH186 intrinsically safe telephone safety standard certificate
    【 KA 】 KTH186 intrinsically safe telephone safety standard certificate
  • A user circuit that supports full call function
    A user circuit that supports full call function
  • A dust-proof digital program-controlled switch for communication equipment
    A dust-proof digital program-controlled switch for communication equipment
  • A noise resistant and explosion-proof loudspeaker station
    A noise resistant and explosion-proof loudspeaker station
  • A fiber optic telephone integrated machine for utility tunnels
    A fiber optic telephone integrated machine for utility tunnels