LED lighting develope into a vicious competition, no country Peugeot
fecha:2011-05-26 16:29
estado:para resolver
pregunta:admin
United States, Japan and Europe LED company with more than 80% of the LED chip core technology patents, and similar enterprises with less than 10% of similar patents.
For a long time, LED wafer and chip market upstream core infrastructure technology, has been several major foreign industrial giants such as Nichia, Toyoda Gosei, Lumileds, Cree, Osram and other monopoly, accounting for about 70% of the whole industrys value chain, which also makes our LED the structure of the industry chain is ve
mejor respuesta:
no hay por el momento
[todas las respuestas(0)]
[contesto]
16/44 la página próxima la página anterior la primera página la última página
volver
refrescar
WAP página de inicio
versión de web
iniciar sesión
10/22 22:14