Obviously because they could care less about the shareholders who put trust and faith in them. At least they didn't give you that final slap in the face as LTUS did before it went dark. I can't forget that one - they said sorry for going dark - but its your fault since you wont give us any more of your money.
Obviously all WKBT management cared about was raising enough money from the US to build and equip their factories and to buy a nice office building for their private enterprise. Wang and Sun are now raking in the yen and laughing; and they aren't even going to send you a thank you card for your free money.
It's RMB, not Yen. Unfortunately what you stated seems to be mostly, if not entirely, true. The characters behind this disaster here seem both unethical and immoral, but their crimes have not gone unnoticed... both of them will have to face the final verdict... and this crime, or non-compliance could be the determining factor in sending them to eternal hell.