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Mainland Energy Conversion Ltd (MEC) was established in 1999 in Hong Kong, China, originating from Mengling Power Electronic (Dong Guan) Co. Ltd. since 1989. With over three decades of experience, MEC specializes in R&D, design, production integration, and product sales in the power solutions industry. They provide programmable industrial battery chargers ranging from 40W to 2000W, along with customized battery packs and energy storage systems (E.S.S). Taking advantage of strategic locations in the Far East, they serve as the Asian Pacific Hub. MEC is known for quality and responsible ODM/OEM production, making them a trusted partner.