Wenzhou Pinyi Automobi le Ac ces sor y Co. , L td（short for PY） has more than ten year s experience in EGR Val ve porjec t. And, we set up the enterpri se s tandard by our sel ves without any related s tandards to be referenced in China. Our produc t qual it y as surance comes from the advanced produc tion equipment s , the high level tes t machines whi ch are researhed, developed and des igned by our sel ves . They are able to s imulate the real operating conditions in the car s and record the s ignifi cant parameter s , whi ch can ensure us to meet ver y high qual it y s tandards . The advanced technologi cal level helps us to be one of the mos t important aftermarket suppl ier s in the world.