1997: Founded in China 1998: Certified as major supplier by Sinopec 2004: Certified as major network supplier by CNPC 2009: Provide the drilling chemicals package service 2010: Joint venture with bentonite plant 2011: Joint venture with CMC/PAC plant 2012: Constructing one of the largest drilling chemicals factories to expand capacity and product range 2013: Reconstructed to SINO MUD LIMITED