On February 23, the audit team of China Guidance (Beijing) Certification Co., Ltd. conducted an on-site supervision and audit of the Yitong Teji intellectual property management system. Yitong Teji intellectual property management system operates effectively and has passed the audit.

Successfully passed the supervision and audit of the intellectual property management system: on the one hand, it affirmed the management level of the company's intellectual property (the policy and objectives of the intellectual property system are in line with reality); intellectual property barriers, avoid intellectual property risks, improve research and development capabilities, production efficiency, market competitiveness).