Leung Jan started to learn Wing Chun, from 1855 first with the actor and bastoneiro Leung Yee Tai, that also was patient of it when it had asthma crisis. Later it continued training under instruction of the old Wong Wah Bo. Leung Jan if dedicated in intense way, as much how much it they jvem Yin Wing Chun had made; come to dominate the style completely and soon an adept fighter changedded itself extremely, getting the reputation of ' ' King of the Wing Chun' '. Next to the pharmacy to Leung Jan, he had a rank of money exchange that belonged to a certain Chan Wah Shun, known for Wah the money exchanger; whose dream was to become a skillful fighter of Kung Fu. Chan Wah Shun was born in 1836. After to have worked in the market of rice of Fat San, initiated career with the money exchange. Every day, Wah ran to the fence wooden of the pharmacy of the neighbor and watched Leung Jan to teach Wing Chun. Congregating all its courage, Wah was presented ahead of the master and requested its admission formal as disciple, but it was refused.
It did not give up. In innumerable times where it observed the treinos, Wah had seen between the pupils a strong man who had its name ' ' Wah' ' that possua so strong arms that some times yan broke the arms of muk jong. The fact to possess the so strong arms brought it nickname of ' ' Wah, wooden arm ' '. Wah, ' ' the exchanger of dinheiro' ' , it used of all the resources that made use to become friend of Wah, the wooden arm, and with it, learned innumerable techniques of Wing Chun. In 1866, in a certain occasion where the master Leung Jan was travelling, the wooden Wah arm decided to take its friend to attend the trainings in the pharmacy.