Trapezoidal vandhane design patent certifikat-2009

On May 19th , 2010, VIGA Trapezoid basin mixer which designed by designer Peter Kuang, har fået designpatentcertifikatet efter statens intellektuelle ejendomskontor for P.R.C. Certifikatnr. Ref.:1220930 which with the valid till May 18th 2020.