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Shenzhen S-mart Electronics Co., Ltd. was established in 2007 in Shenzhen, engaged in manufacturing PCB and PCB assemblies. Our company has passed ISO9001:2008 quality control system certification. Our products have passed UL certification and got RoHS and REACH test reports. We also provide OEM/ODM services and PCB assemblies. We design and process all kinds of electronic decorations according to customers' requirements. We provide following services for all of our custom...