Sat-Sources Technology Co., Ltd., located in Shenzhen, China, specializes in the R&D, manufacture and export of Set Top Box products.

QUANZHOU HONGYI Technologies Co., Ltd. Has been established since 2008 as a hightech enterprise. USER SDT is an OEM / ODM factory, customizing products to tailor your needs is our strength and mission. Our mainly products is Digital display, LED display, LCD display, Hotel and Office and Retail shop interior deisigns and Manuefacture! ! Our team of over twenty (20) CAD designers and structure engineers will make sure to render your imagination into actual products. If you are looking to create prototypes or start mass production on a very specific project, we can help you achieve your visions and goals.

Shenzhen Air Digital Technology Co., Ltd. is a fast growing company, which is mainly engaged in developing and producing the DVB products, most of them exported to the Europe, Africa and Middle East and enjoying high reputation among our existing customers due to reliable quality, competitive prices and prompt delivery!

Shenzhen Shengda Communication Equipment Co., Ltd. is a high-tech enterprise specializing in R&D, production and sales of microwave, mobile, satellite communication antennas and related communication products. It is one of the earliest professional manufacturers in China to develop and produce communication antennas. The company has advanced antenna test instruments and fully automatic antenna far field test system. Many products have won national-level new products and national, provincial and ministerial quality product awards and scientific and technological progress awards. The company has passed ISO9001 quality system certification and ISO14001 environmental system certification. It's leading product are base station plate antennas, Wi - Fi / Wimax antennas, wireless access antennas, satellite TV receiving antennas, various terminal antennas, GPS antennas, indoor distributed antennas, digital TV antennas, etc. The frequency of the company's products ranges from 30 MHz to 6 GHz, and various microwave antennas can be developed according to user's requirements. The company's products are exported to the United States, Europe, South Africa, Japan, the Middle East and Southeast Asian countries. The company has a strong design team, the product quality is improved year by year, the production process is constantly updated, making the product more perfect. We will serve customers at home and abroad with the highest quality, lowest price and fastest delivery time with newer quality and more perfect design. We will, as always, follow the business philosophy of "Quality First, Customer Supreme", and work with you to create brilliance with strict management, high quality products and excellent service!

Shenzhen Next Star Technology Co., Ltd, founded in 2009, is a high-tech enterprise specialized in R&D, manufacturing and selling IPTV Set-top box, SoundBar, smart Projector, Keyboard PC and peripheral intelligent products.