The latest gold rush is on. It’s the Chinese broadband market, and just like the award-winning film “Crouching Tiger, Hidden Dragon” the market is a labyrinth made up of many plots and lessons, accented with plenty of action. China is emerging as the world’s manufacturing center and a sourcing magnet for American auto manufacturers. One of the Big Three’s sourcing managers regularly makes the trip to Beijing and then out to the interior provinces looking for everything from axels, transmissions, and tire rims to mechanical door assemblies.