1. On-site subscription, subscription or redemption need to be conducted by a securities company with the qualification of on-site fund agency business in Shenzhen Stock Exchange. Investors need to open a securities trading account like buying stocks and enter the code of the subscribed fund. Stock-based, index-based and some listed bond-based graded funds use floor trading;

2. Some graded debt bases that are not listed can be purchased off-site by direct selling or consignment on the conversion date. The direct selling here includes the fund company official website and the direct selling shops opened by the fund company in Taobao or the third-party fund sales platform, and the way of agency sales is mainly banks.