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In 2014 7 menstrual Beijing an Zhihuan Certification Center audit, I confirm that the company's quality management system: GB/T 19001-2008/ISO 9001:2008, the quality of our company R & D system covering the combustible gas alarm device, production and service。In 2014 7 menstrual Beijing an Zhihuan Certification Center audit, I confirm that the company's quality management system: GB/T 19001-2008/ISO 9001:2008, the quality of our company R & D system covering the combustible gas alarm device, production and service.
 Shenzhen suofuda Electronics Co., Ltd.
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