Shanghai Towin Lighting and Electronics Co., Ltd. is a high-tech enterprise dedicated to environmental scientific research and pollution control. It has a number of inventions and utility model patents. It is mainly engaged in the research, development and manufacture of environmental protection equipment related to the application of ultraviolet technology. Towin is the sole agent of Toshiba Special Light Sources in China. It is the sole agent for the sales and pipeline expansion of Toshiba Lighting Co., Ltd.'s special ultraviolet light sources in China. It is also the designated agent of American lightsources ultraviolet lamps.
上海冬翼光電有限公司是一家致力於環境科學研究及污染治理的高新技術企業，擁有多項發明及實用新型專利，主要從事紫外線技術應用相關的環保設備研發製造。冬翼光電是東芝特種光源中國區獨家代理商，全權代理東芝照明株式會社的特種紫外線光源在中國的銷售和管道拓展，亦是美國 lightsources 紫外線燈的指定代理商。
