This page is in response to the following:

Since I cannot read Chinese, all I could do is photocopy the addresses I collected. I would especially recommend Mr. Sun Cang (whose card is pictured twice because it's a folded card), who can put you in touch with Mr. Shengqi (whose card I don't think I have). Those two gentlemen are important to meet.

Best wishes for your research, David. Looking forward to seeing the new book. - Tom