LED lighting develope into a vicious competition, no country Peugeot
fecha:2011-05-26 16:29
estado:para resolver
pregunta:admin
ry unreasonable.
It is understood, LED industry chain, including chip research and development production, the growth of epitaxial wafers, LED packaging and LED applications. The first two belong to the upstream industry, the profit about 70% of the entire LED industry; the latter two belong to middle and downstream industries, the profit is very low.
As a late start, compared to European and American developed countries, domestic market size of LED industry, or technology, whether the
mejor respuesta:
no hay por el momento
[todas las respuestas(0)]
[contesto]
17/44 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 22:50