This fund tracks an index which consists of 30 OTC stocks considered to be of excellent financial quality and ESG sustainability performance. It aims to recognize the investment performance of OTC companies that excel in both investability and sustainable development. The fund's portfolio closely mirrors the component stocks of the target index. The index provider regularly publishes the latest component stocks of the target index and will also periodically announce any changes, ensuring that information is easily accessible, publicly available, and transparent. The ETF offers convenient trading methods with relatively low transaction costs. This fund is listed on the OTC market at the Taipei Exchange, and can be traded anytime during the trading hours. Alternatively, it can be subscribed to or redeemed in the primary market through participating securities firms within the time specified by the management company.