Almost any coil will hit 15W for thirty seconds, which is why output alone tells you nothing about a wireless charger. What separates one that survives a two-year warranty from one that generates returns is decided at coil winding, ferrite bonding and the ageing rack. A walk down the GREENPORT 3-in-1 line, station by station, photographed during a production run.
READ MOREA practical evaluation guide for buyers sourcing charging and data cables. It explains how to read a factory's product range by pin count and power tier, why certification files must be checked at model level, how to run a sample process that predicts production quality, and which seven questions separate a manufacturer from an intermediary.
READ MOREGreenport's associated Dongguan production site completed a semi-announced full amfori BSCI social audit in July 2026. The third-party monitoring result gives B2B buyers current visibility into the factory's social performance and its priorities for continuous improvement.
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