1. Fund management: The Doudian Optoelectronic Bank License Certificate can help merchants efficiently manage store funds, realize real-time fund arrival, convenient cash withdrawal and automatic settlement, and improve fund turnover efficiency.

2. Financial services: The Doudian Optoelectronic Bank License Certificate provides merchants with a series of financial services, including loans, financial management, insurance, etc., to meet the diversified financial needs of merchants.

3. Data analysis: The Doudian Optoelectronic Bank License Certificate has built-in rich data analysis functions, which can help merchants deeply understand the store operation status and provide strong support for business decisions.

4. Value-added services: The Doudian Optoelectronic Bank License Certificate also provides merchants with a variety of value-added services, such as product promotion, store operation consulting, etc., to help merchants improve their store competitiveness.

5. Security guarantee: The Doudian Optoelectronic Bank License Certificate attaches importance to the information security of merchants and takes multiple measures to ensure the security of merchant data and funds.

In short, the Doudian Optoelectronic Bank License Certificate is a financial service platform for Douyin e-commerce merchants, with the characteristics of fund management, financial services, data analysis, value-added services and security guarantee. Through this product, merchants can better manage store funds and operating data, thereby improving store competitiveness.