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Dongguan SUM Electronics Technology Co., Ltd is an enterprise with large series of renewable energy products( like polymer lithium-ion battery, lithium iron phosphate battery, energy storage system related battery…),which is able to research and develop independently, manufacture independently, fine and diversify the field of sales and applications.We have been deeply engaged in the battery industry for a long term, and collected a group of senior technical elite with decades of team management and practice skills. We have a lot of experience on applying batteries to various areas, and have precipitated and sublimated many successful cases, can provide free supports on suggesting solution of battery’s configuration according to the technical requirements and application environment of your product . Our enterprise adheres to “Craftsman Spirit, Fine Making, Honesty Keeping and service sincerely”. We devote to become the excellent supplier to supply products to users all around the world by providing the safest, most convenient and cost-effective battery customized solutions and product services, making customers enjoy more professional, efficient and comprehensive service experience is the final goal of our team to do the best efforts to achieve.

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