On May 19th , 2010, VIGA Trapezoid basin mixer which designed by designer Peter Kuang, ua maua le mamanu patepan retent e le setete o mea totino o le P.R.c. Le tusi faamaonia leai. Fofo.:1220930 which with the valid till May 18th 2020.
Trapezoidal Faucet Design Patent Certificate-2009
Sosoo ai: 2012 KBC faaaliga