SHENZHEN CHANGYUAN TECHNOLOGY CO.,LTD.

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Shenzhen Changyuan Technology Co., Ltd, Its eMastiff brand, is a proffessional creative Hi-Tech company with ability of source integration, creation, production, sales and services. Brand eMastiff mainly focus on developing Security System and Smarthome Automation etc, which is offering people a kind of safer, more comfortable, more conveniently,and open intelligent,information-based living space.During the past years,eMastiff already successfully exported our products to worldwide,and win and cherish its good reputation from our every esteemed customer by its advanced design, best quality products, in-time delivery time, competitive price and best after sale customer service.

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E-mail: security_alarm@163.com 641511678@qq.com

Tel:+8618676758048

Address: Shangcheng Building 211 Room ,Heao Subway Station , longgang District, Shenzhen, China


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