Since Supreme Network Group was established in 1986 with its exclusive brand (Opalsound) introduced in year 2002, we have been at the forefront as mobile entertainment manufacturer, we create high quality products which give the perfect experinece and solution in-car sound for worldwide consumers. With our innovative ideas and first class designs,we have gained a high reputation in mobile entertainment field throughout the past yearst


Being one of the most advance OEM&ODM manufacturers of car entertainment system in Mainland China with our headquarters in HongKong. every piece of product from us is quality assured and price competitive.

Entering year 2005 in all continents, It is understood that advance technologies and dynamic designs will play a significant role in the auto industry, so do mobile entertainment products. To keep up with the trend, we have largely invested in our R&D department as our dominant section to maintain our competitiveness in such advanced world.

In the coming years, we also intend to expand a larger and more effective marketing department to meet the demand for all consumers at global, and to position as a total system supplier by strengthening our technical suggestions to car manufacturers.

At (Opalsound) we aim to stay on course as a strong, vital and superior brand, delivering true joy and satisfaction to our customers, We sincerely hope for your continuous support and confidence.