Facebook
https://www.facebook.com/SiruiProfessionalTripods

Sirui blog
http://siruiprofessionaltripods.wordpress.com

Videos:
VH-20
http://www.youtube.com/watch?v=JhPTythj7MY
VT-2203
http://www.youtube.com/watch?v=rZsHJLORFiU&feature=channel&list=UL
PH-20
http://www.youtube.com/watch?v=4kqvfvPV_O0&feature=channel&list=UL