2001  Established Shenzhen Lansen

2002  start to establish production platform in Ningbo
      Started to Launch the major product – Pafulin

2003  Shenzhen Lansen obtained GSP certification
      Started launching Jinlang under agency distribution

2004  Ningbo Liwah obtained GMP certification

2005  CIH made investment in Lansen and Established Liwah Zhiti
      Started launching Yisuojia under agency distribution

2006  Started launching Tuoshu under agency distribution

2007  Started launching Liupuan under agency distribution

2009  Established Ningbo Lansen

2010  Listing in Hong Kong