Ruian Shengguang Auto Parts Co.,Ltd (former Ruian Shengguang Automobile Factory) established in 2000, located in the center of Auto and Motor Parts in China - Ruian City, China, is a renowned manufacturer and exporter of engine parts , products like IACV(Idle Air Control Valve) also called Idle Speed Control Valve (Motor) or Step Motor, Stepper, Auto Thermostat, sensors，Electronic throttle body and others.

Since quality constitute the most important part of any global business house, to ensure quality stamp in each of our products, we conduct various in-house quality checks, Ruian Shengguang Auto Parts Co.,Ltd always tell his workers "Let us sacrifice our benefit but not sacrifice the quality", Ruian Shengguang Auto Parts Co.,Ltd is an ISO 9001:2000 certified company accredited by XQCC. We also maintain high standards of packaging.