1994 General Choi invited to Malmö to conduct a seminar (Malmö Tennishall)
1994 General Choi visits Master Yeos family in Malmö
1995 Andy Yeo 6 years old
1996 YCH invited by Master Hatchinson to conduct a Training semimnar in UK
1997 Master Huychinson from UK in Malmö invited by YCH to conduct a seminar in Malmö
2000 YCH invited by Master Tan to conduct a seminar training in Malaysia/KL
2001 Master YC Huat with GMaster Rhee´s son
2002 Master Yeo CH invited to conduct a training seminar in Brisburn/Australia
