Every year CSRI invests more than NT $ 1 billion in RRD to improve its products, an amount representing about 3 % of the group's total revenues. They bring in a lot of advanced equipment, like 3D simulation analysis and automotive high-speed testing systems. The RRD team numbers more than 200 people divided into three groups, working on material composition, structure and tread pattern as well as indoor and outdoor testing.
為了提升品質，正新企業每年投注新台幣十億元以上進行研發，約占集團營收的 3％；他們引進許多先進的設備，如 3D 模擬分析、車輛高速動態測試系統等；研究組員則超過 200 人，並分為 3 組，分別研究材料配方、結構與紋路，以及室內外測試。