Even working as a client of a Chinese company I see the same thing - they only want to communicate via random WeChat groups, and anytime you ask for things to b

Even working as a client of a Chinese company I see the same thing - they only want to communicate via random WeChat groups, and anytime you ask for things to be emailed its a battle to make that happen. Eventually the one specific thing you asked for will be emailed, then everything will revert to WeChat where its all buried away.