Our company successfully participated in the 12th China international doors and Windows curtain wall expo

Sigma machine successfully participated in FenestrationChina2014 "the 12th China international Windows & Windows curtain wall expo" from November 6 to 8, 2014, at Beijing · China international exhibition center (new hall).

 

Thank you for your constant care, attention and support to the friends and customers of sigma machines, our development has your credit!