Group 1 - The article emphasizes the importance of risk prevention in the bill financing process, suggesting that companies should ensure the authenticity of bills and the credibility of the issuer [1] - Companies are advised to standardize the endorsement process to maintain continuity and clarity in signatures, and to review the alignment of bill maturity dates with their liquidity arrangements to avoid defaults [1] - Collaboration with regulated financial institutions or platforms is recommended to obtain professional bill services and risk management advice, reducing financial losses due to information asymmetry or operational errors [1] Group 2 - Linyi Mall Digital Technology Group Co., Ltd. was established in 2017 and operates the "Yilian Tong" supply chain bill public service platform, which has been approved for direct connection to the Shanghai Bill Exchange [3] - The Yilian Tong platform has integrated with the bill business systems of 41 financial institutions, including major banks, and has established partnerships with 50 leading vertical e-commerce and fintech platforms [3] - The company aims to support the high-quality development of the supply chain bill ecosystem while serving millions of small and micro enterprises, adhering to its mission of innovation and openness [3]