Dongguan SUM Electronics Technology Co., Ltd is a diversified enterprise which can research and manufacture large series of renewable energy products independently, like polymer lithium battery, lithium iron phosphate battery, storage battery system, etc. We have been deeply engaged in the battery industry for a long term, and gathered a group of engineers with practice skills. We have rich experience in the battery researching and manufacturing in various fields, and can provide free solutions and supports of battery according to the technical requirements and application environment of your product.
We adhere to the spirit: "Hard Working, Fine Making, Promise Keeping and Sincere Serving".
We devote to become the excellent supplier to customers all around the world by providing the safest, the most convenient and cost-effective batteries, the customized solutions and the most sincere service.
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