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![]() HEYI invariably adopts the up-to–date sensor and transfer technology to meet and even exceed customers’ requirements. We fully comply with ISO 9001:2008 standards, and most of our products have been CCC and CE approved. We firmly suppose that the strict monitoring of each step in the manufacturing process is crucial for the superior performance of our products. Our aim is to become the No.1 supplier of alarm systems globally. We will persist in developing the latest and highest quality products in order to... [More Information] |