Warmly celebrate our successful adoption of ISO, UL, and Golden Sun surveillance audits. The China Quality Certification Center, Golden Sun Certification Company, and Shanghai UL Certification Center performed ISO9001:2008 and Golden Sun Certification on April 7-8, April 13-14, and April 19-20 respectively. , UL certification supervision audit. The successful review was completed with the close cooperation of several teachers and company department heads. At the last meeting, the teachers affirmed the effectiveness of the company's implementation of the system over the past few years. They also put forward constructive opinions and hoped to continue to implement them more effectively. The final conclusion is: continue to use the certificate.