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Dongguan DYGSM Co., Ltd. is a professional developer and manufacturer of Security Alarm products and related accesories more than 10 years in China. The factory covers 3,000 Square meters, and holds over 100 employees, it has s... Dongguan DYGSM Co., Ltd. Tel:86-769-82553706/82553753 Fax:86-769-82553753 Website:http://www.dygsm.com E-mail:info@dygsm.com |
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