http://pastport.jp/user/SINPAR ja-JP Professional Manufacturer of Octane Rating Unit, is a high-tech company integrated with researching, manufacturing, sales and service for Combination (Research and Motor method) Octane Rating Unit (ASTM D2699 RON & ASTM D2700 MON). 2020-02-19T15:59:48+0900 http://pastport.jp/user/SINPAR/timeline/Shanghai%20Sinpar%20Scientific%20Instrument%20Co.%2CLtd SINPAR http://pastport.jp/user/SINPAR/timeline/Shanghai%20Sinpar%20Scientific%20Instrument%20Co.%2CLtd