building intercom

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[CN] SHENZHEN KEWEI TIMES TECHNOLOGY CO., LTD [Manufacturer]
Key Products/Services:
Business Overview: Shenzhen Kewei Times Technology CO.,LTD is a high-tech enterprises specialized in CCTV camera, intelligent door phone system, DVR recorder, GSM mms alarm an...

[CN] Shenzhen Professional Security Technology Co.,Ltd. [Manufacturer]
Key Products/Services:
Business Overview: Shenzhen Professional Security Technology Company located in Shenzhen China. It is a large-scale professional manufacturer integrated with R&D, manufacturin...