- DM Telecom Co., Ltd.
- RF combiner, coupler, splitter, filter, terminator, amplifier, repeater, DVB-T reciever, UHF antenna,RF/Microwave/Wireless Component & Assembly,MP3 Player.
- Address:No.28 Pak Tai Street
- King Target Electronics Co., Ltd.
- bandpass filter,cavity duplexer,cavity filter,cavity combiner,solar panel,Other,RF devices.
- Address:Flat A & B, 20 / F, Block 1, Kingley Industrial Building 33-35 Yip Kan Street, Wong Chuk Hang
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