I live in California too, but you can't compare what's happening here economically, to what happened to China in the Fallout Universe. They're two very different sides of economic failure. What happened to China, is more like what happened to Germany and Japan near the end of WW2, not what started happening to Cali in late-'07 and '08. It's not about businesses building factories and plants inland, moving money, it's simply getting out as much product as you can, with what you have left to produce with. China's economy would have been in the toilet by the time of the Great War, and throughout the entire US invasion of it. Their key military infrastructure would have been major targets for US Bombers and the like, just like in WW2, and anything new would have been bombed before it could properly be put to use, forcing Chinese troops and planes to defend what factories and plants they were left with. Just like Germany and Japan in WW2.
Like I said, it's more viable really for someone to use what they already have, than to build somewhere new and divert resources elsewhere. It's easier to repair and keep working on what's there already, than to create something entirely new and waste resources directing new things to the new plant or factory. California is a completely different case than a collapsing Chinese military complex. China in the Fallout Universe was running low on resources, because they'd lost their hold on what remained of reachable oil, and that was Alaska, so what they had left they were probably using for what was left of their war effort, not putting money into business to build new factories or plants because the business was likely not there, or able to function properly enough to make anything stick.
50 years of absolutely no growth just doesn't seem plausible. My idea is that Chinas interior could start becoming developed well before the resource wars- as it is doing now in our universe. Last time I checked China is still a communist led nation. And the second biggest superpower in the world. IN times of prosperity nations grow. If present day china in the Fallout Universe is anything like our presnt day, then there is definately money and infrastructure moving inland.
I think the reason everyone is so quick to compare China to end of WWII Germany is because we only come into knowing anything about China in the fallout universe during war times. We dont know what was going on in China prior to everything running out and even then we barely know anything about China. This is exactly why there is plenty of room for speculation on what had been going on in Chinas interior prior to the resource wars. We also can't just assume along the lines that all the ammo factories in your example were already along the coast to begin with. The coast is great for international trade. International being key. Cina has all of the resources it needs fro weapons production., A centralized ammo factory could reach most habitated reigions in China along the Yangtze much more efficiently, while remaining at least some land mass protection were they to be invaded. It also doesnt make any sense for all fortifications in China to be along one corner of that nation, leaving themselves exposed to Russia and other nations. Xinjiang, for instance has Chinas largest natural gas reserves. Leading up to the resource wars (years before), you now people saw it coming. There is no way it wouldnt be fortified in preparation, sitting so near the Russian border.. CHina also has the largest potential for hydro-electric anywhere in the world. Along its mountain ranges, far from the coast. At the mere mention of fuel runing out, well before they actually do, its is concievable that factories would be built to harness that power directly.
"In spite of many good harbors along the approximately 18,000-kilometer coastline, the nation has traditionally oriented itself not toward the sea but inland, developing as an imperial power whose center lay in the middle and lower reaches of the http://en.wikipedia.org/wiki/Yellow_River on the northern plains."
I dunno, I just dont think we can sum up what was going on in china based off of what little (and we know very little in the fallout universe) we know about such a small portion of that country.