PTEC is specialize in 3C AV product design and manufacture, the main product as below;
1. Cable series: HDMI, DisplayPort, Thunderbolt, Mini SAS, SFP--etc.
2. HDMI series: Repeater, Switch, Splitter, Adaptor, Converter, Matrix--etc.
3. DisplayPort series: Displayport and Mini DisplayPort Converter and Adaptor.
4. USB 2.0 and USB 3.0 series; HUB, Data cable, Extension cable, Smart cable---etc.
5. VGA series: VGA extender and Switch and Splitter--etc.
6. MHL cable: For Mobile device AV output to HDTV
7.Apple accessories: Charger cable,Data cable, Adapter
We can offer high quality and competitive price product to you, and also, OEM and ODM case is acceptable.
If you have any question about our product, please feel free to contact me. ... 
Taiwan