guidance of the letter, China’s high-definition optical disc industry, promoting the Union. Through the joint development of the past year, China’s Blu-ray to establish the full technical specifications, product development completed.
Domestic and foreign content providers, optical disc manufacturers, optical disc production equipment providers, broadcast equipment manufacturers, play equipment, spare parts providers, and hardware and software vendors and other related businesses to form a complete industrial chain of China’s Blu-ray, development of the industry has laid a solid foundation. CBHD technical specifications, using a number of domestic core technology patents. As a result of a wavelength of 405 nm blue laser to read and write high-density, CD-ROM capacity greatly enhanced, single-layer capacity, respectively, of the 15GB/30GB, enough to store a full