Simple. ZTPharma was bought by Novartis. We don't know if CBL (sub of CHBO) having a right to invest in ZTPharma, invested anything in that company. Therefore, we don't know if CHBO has anything to do with Novartis deal. I can only speculate that CHBO maybe got the 15% in ZTPharma, OR the right to invest in ZTPharma has also been bought out by Novartis.
The share price AND volume has much improved from not so long ago. There is really no scam on the part of CHBO because as you said, CHBO hasn't said a word.
According to my account, Mr. Wang and his family still own about half of the company. None of their shares have been sold as far as I can tell.
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