2013-11-05

Hengtai volunteer Labour during holidays

Wutong Mountain is the highest mountain in Shenzhen City. Huaxia hengtai organizes mountain climbing. Voluntary to clean the mountain path. and take down the garbage.        

2013-09-18

Basketball game

        

2013-09-10

Trip for Yangshuo

      

2011-08-05

David drive to Tibet and do the cooling fan high altitue test on Mount Everest

--The Potala Palace--   --Everest mountain central camp--  --Mount Everest--  --High altitude performance test--