On May 19th , 2010, VIGA Trapezoid basin mixer which designed by designer Peter Kuang, on saanud P.R.C. riikliku intellektuaalomandi ameti disaini patenditunnistuse. Sertifikaat nr. Ref.:1220930 which with the valid till May 18th 2020.
Trapetsikujulise segisti disaini patenditunnistus-2009
Edasi: 2012 KBC näitus
