The "quality assurance plan" of Sinotrans technology is the product of the control over the supply channel of high-quality electronic components gradually accumulated in our supplier qualification review process and evaluated by all-round quality process. All core transportation suppliers will be continuously evaluated and audited by our quality management team based on traded orders, quality certification and peer trade references. Our "quality assurance plan" is based on new standards and will continue to create new development strategies to better serve our customers.