So you're basically saying the Chinese conspired to rig the Rand/Dollar exchange rate by causing a meltdown in their stock market that tripped the stock market failsafes that shut the market down for the entire day two days in a row?
Because unless that is your argument, then your claim is complete rubbish and actually it is far more reasonable to come to the conclusion that such a massive event in China has had knock-on effects for all the other emerging market currencies, and the Rand's loss of value does not mean that the Rand has been
artificially weakened.
So I expect if what you're saying is reasonable you'll have a better explanation than what you've presented so far.