Sichuan Tianyi Comheart Telecom Co., Ltd（“Tianyi Holdings”）was founded in 2001, evolving from Chengdu Dayi Plastic Products Factory which was established in 1985. Tianyi has a registered capital of 271 million RMB, about 2000 employees, including more than 300 R&D personnel. Tianyi has 3 wholly-owned subsidiaries, 2 branch companies and 1 wholly-owned second-tier subsidiary. Tianyi holdings is a professional backbone manufacturer of communication network equipment in China and a national high-tech enterprise. Based on the optical communications industry and mobile communications industry, Tianyi has been committed to the research and development, production, sales and service of communication equipment-related products. Based on the development of high bandwidth, high-definition/ultra-high definition, intelligent security, wireless networking and other fields, it mainly provides products and services to domestic operators China Telecom, China Mobile, and China Unicom. Tianyi has been public listed on Shenzhen Stock Exchange as "Tianyi Holdings" with stock code 300504 since 30 March 2018.