low cost electronics from China

Hello,
You don't say which kind of components but here's a few.

Taiwan Apha, has pots, switches and so on taiwan alpha

BRIGHT LEDS Bright leds

Other component suppliers that are useful Rohm, Phillips, Samsung, ST, Texas, AKM, Analog devices, LCD's from Solomon GoldenTek (and many more), Cypress (USB chips) and the list goes on and on.

Like to be a bit more specific?

Hello,

sorry for the late reply...

I would need some websites where to buy TVs, computers, printers and so on...

Many thanks!

Likely your best option would be to contact the trade section of the Chinese embassy or consulate nearest you. It is, after all, a trade section's job to promote and facillitate commerce between entities of its home and host nations.