1) Signed strategic cooperation agreements and quality assurance agreements with key suppliers, fast delivery cooperation, and provided the best support in terms of cost, quality, technology, etc.

2) Complete supplier management system, all suppliers strictly follow the management introduced by the company, from on-site inspection, sample confirmation, small batch trial production, medium batch trial production, to ensure quality control at each stage.

3) Implemented supplier elimination system, evaluated cooperative suppliers monthly, and eliminated those that did not meet the requirements immediately.