We produce and test our products with the strictest safety and quality standards. The optical cables we produce are tested by the Optical Communication Product Quality Supervision and Inspection Center of the Ministry of Information Industry of the People‘s Republic of China. All performance indicators have reached high quality standards and issued test reports. Subsequently, it obtained the certification of the Tell Certification Center (TLC) affiliated to the Institute of Telecommunications of the Ministry of Industry and Information Technology, and obtained the qualifications for the bidding of major operators such as China Post and Telecommunications and Telecom.