2001 Tianjin Potter pump industry limited company
2002 Tianjin sinoman screw pump manufacturing Co. Ltd.
2010 the development of deep well pump
2011 development of screw professional grinder
2011 by the Tianjin Municipal Science and Technology Commission identified as high-tech SMEs in Tianjin
2012 development of screw mixer
2012 Tianjin sinoman screw pump technology development Co. Ltd.
2012 the establishment of the Tianjin sinoman Pump Group Limited