Shanghai Worldbest Magway Magnetic Components Co., Ltd.,
Manufacturer of high frequency with low power loss and high frequency with high initial permeability cores.
http://www.worldbest-magway.cn

Zhejiang Huanghua Switch Factory
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http://www.huanghua.com/

Horst David GmbH
Horst David GmbH - Induktivitäten, Federn, Baluns, SMD Luftspulen, Wickelgüter, Sensorspulen für elektronische Wasserzähler, CATV, HF Spulen, Breitband Symmetrie Übertrager, Eingangsübertrager, 4:1Übertrager,
http://www.david-inductance.de

Pronic Electronics
Manufacturers of rocker switch, push switch, toggle switch, slide switch, and inlet socket. UL, CSA,VDE recognized amongst others. Based in China and Taiwan.
http://www.pronic.com.tw/

Luff Research Inc.
Manufacture high performance RF frequency synthesizers and phase-locked frequency sources.
http://www.luffresearch.com/

Isode M-Switch
A high performance SMTP message switch. Includes internet messaging, POP3, anti-virus and anti-spam solutions.
http://www.isode.com/products/m-switch-overview.html

HID Lighting Systems
High-efficiency, high frequency high wattage HID ballasts, fixtures and controls.
http://www.delta-power-supply.com/

Microtune Inc.
A radio frequency silicon and systems company, providing high-performance radio frequency tuners and transceivers to the broadband communications markets. USA. (Nasdaq: TUNE).
http://www.microtune.com/

Nortel Ethernet Routing Switch
A high performance Secure Sockets Layer (SSL) acceleration and offload blade that integrates into the Layer 2-7 Ethernet Routing Switch 8600.
http://products.nortel.com/go/product_content.jsp?segId=0&parId=0&prod_id=39080&locale=en-US

Medes Electronics
Manufacturer of 10 to 800 kVA, 3 phase UPS products primarily for the European voltages and frequencies. UPS line includes chargers, rectifiers, inverters and static switch units. A manufacturer for high reliability UPS system. Provides battery charger and discharger, DC rectifer, and static transfer switch.
http://www.medes-ups.com/