You don't seem to grasp the main purpose of this forum. Harm reduction. Holding sources accountable and demanding standards of quality is a big part of harm reduction. If you are happy to spin the wheel and inject whatever that's your business, but your mentality is reckless. You may not care much about your body or health as long as you're getting "sick gains" but you're on the wrong forum for that mindset. Street junkies end up with blood born diseases, necrotic limbs, and systemic disease due to dirty bad product and poor methods of consumption. If you want to follow those foot steps good luck to you.
Edit: most sources don't get their raws from QSC, QSC doesn't even make raws. You think there's 1 lab in all of China that makes AAS? I can tell you're young and read enough to kind of sound like you know a few things, but your arrogance and ignorance are going to backfire miserably.