Tradetool Auto Co., Ltd. manufactures and sells metal stamping parts in Taiwan, China, and internationally. Its products include automotive metal parts such as stamped components, welded assemblies, and stamping dies, as well as automotive optics parts including LED smart car lights, light guide plates, automotive lights, and related mold making tools. The company is also involved in the construction and maintenance of renewable energy self-use power generation equipment. Formerly known as Jeng Shiang Precision Ind. Co., Ltd., it changed its name to Tradetool Auto Co., Ltd. in May 2016. Founded in 1980, it is based in Taichung, Taiwan.