Hangzhou Guoxin Polytron Technologies Inc (NationalChip) was founded in 2001, specializing in integrated circuit design, digital television and audio and video electronic product development and sales plan has been to the chip, the development of digital television "Chinese core" as its mission. It is an integrated circuit design enterprise recognized by the Ministry of industry and information technology. It is a high-tech enterprise in Zhejiang province and a key high-tech enterprise in the national torch program.

Demodulator chip

Consumer electronics communications / networks