Chinese battery manufacturer BYD can now be mentioned in the same breath as Goldman Sachs: both have recently been given the blue-chip imprimatur by U.S. billionaire investor Warren Buffet. The Oracle of Omaha's MidAmerican Energy Holdings has bought a 10-percent stake in BYD for $230 million.

Not even James Bond has one of these: a watch that performs the functions of a keyless entry fob for your car. Developed by (or for) Chinese car manufacturer BYD, the gadget is made only for the F8 model. Press the top button on the right, and the car is locked, press the bottom button, the car is unlocked.