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Shenzhen Hongzheng Technology Co, . Ltd is a professional high-tech enterprise which works on Safeguard Products, such as wire/wireless alarm system, surveillance system and video doorphone system. The co***ny lay researching, designing, producing and selling as a body. After several years' development, the co***ny can offer advanced and complete categories of safeguard products and various technical services to its customers. Now it has set up the complete product supply system consisting of household, com...
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