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patent certificate
U.S. patent-holster case for mobile phone and tablet
U.S. Patent-Dual-material flat-plate protective holster with
US patent-mobile phone holder
U.S. Patent-Protective cover for flat phone with heat dissipa
U.S. patent-mobile phone case with QI wireless charging funct
U.S. patent-Ultra-thin full-envelope cover
Cooling Rail Horn-Japanese Patent
Two-color IMD-Taiwan patent
Cooling Rail Speaker-Taiwan Patent
Thermal protection cover-Taiwan patent
TPU + PU leather-Taiwan patent