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November 21, 2024
Video Description:
In this factory tour, we show the practical steps behind Longhehui’s battery manufacturing—from R&D and production to testing and certification—so you can quickly judge supplier suitability. See how a 300㎡ workshop grew into a 2,336㎡ production base serving global B2B buyers, and learn how OEM/ODM customization, ISO9001, CE, FCC, RoHS and UN38.3 compliance support reliable mobile phone, household and watch battery sourcing.
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