breathable dust carbon filter face mask for the elderly

  • breathable dust carbon filter face mask for the elderly

  • Xicheng Science & Technology Building High-tech Development Zone, Zhengzhou, China
  • 0086-371-86011881
  • [email protected]
  • >Online Chating

Ministry of Commerce of the P.R.China - China Commodity Net

END BONE VIBRATION TYPE COMMUNICATION DEVICE. H.S CODE: 85176990 Model: Export area: Introduction: Installed on the top cap of receiver, receiving and magnifying sound signal produced by vibration, pressing the communication button on the waist, receiving sound singal through double channel message register.

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