so that predictability or the amount of revenue agreed in the contract is used as a source of repayment to provide short- and medium-term financing support to customers. purchase or self-built "factory plant mortgage loan ". The existing plant can not obtain medium- and long-term loans. There are many regulatory requirements for developers or self-built projects, and many projects can not be met. The "equipment mortgage" shall be the newly acquired generic equipment. At present, emerging industrial robots, intelligent equipment and so on can not obtain medium-and long-term loans. The original product can only meet the needs of a few customers. For small and micro enterprise customers who need medium and long term loans for existing fixed assets, we do not have corresponding product support. The introduction of "good faith loans" fills the gap of small business medium-term loan products.