Cheng, Cheng-Kung's Bonsai
International Exchange
June 2008, Demo in Rih Jhao, China
May 2008, The BSF convention 2008
May 2008, The Brussel's Bonsai Nursery in Tennessee
Sep 2007, The demo in the BALI ASPAC.
May 2006, The GSBF Convention in California
May 2004, The Crespi Cup 2004 in Italy
Mar 2004, The CapeTown SouthAfrica
Jun 2001, The 4th WBCM in Munich, Germany
Sep 1999,The 5th ASPAC in Taiwan
May 1998, The demo in Singapore
Jan 1998, The demo in Philippines
