Hi everybody. My name is Andres and I am from Argentina. This is my first post in the forum. Apologize me for my limited english. I would like to ask about the Xing Yi chuan and Pa Kua chuan learnt by Master ku yu cheung (Gu ru Zhang) from Master Sun lu Tang. By Reading different webs i found that the only disciple who learned and taught these styles was Master Yim Shan Wu. Neither Master Lung Chi cheung, nor Lai Gan qing nor Chen Xian Min supposedly learned this styles with this master.
¿Can anyone confirm this information? In case it is correct, do this mean that Master Yim Shan Wu was the more advanced Ku yu cheung student? ¿ or May be it was for another reason?
I have a lot of respect for all these great masters and their lineages. The aim of my question is just to clarify the lineage history.

Thanks very much.

Best regards