Trapezoidal Faucet Design Patent Sertifikaat-2009

On May 19th , 2010, VIGA Trapezoid basin mixer which designed by designer Peter Kuang, hat it Design Patent Certificate krigen troch State Intellectual Property Office fan 'e P.R.C. It sertifikaat nr. Ref.:1220930 which with the valid till May 18th 2020.