Sichuan Tianyi Comheart Telecom Co., Ltd（Abbreviated as“Tianyi Holdings”）was founded in 2001, evolving from Chengdu Dayi Plastic Products Factory which was established in 1985. Tianyi is a professional manufacturer of optical network terminal equipment, accessories and telecom network solutions provider in China, with more than 2,800 employees, of whom 440+ are senior skilled R&D personnel which currently based on the three R&D centers in Chengdu, Shenzhen and Shanghai. On 30th March, 2018, the company's shares listed on the Shenzhen Stock Exchange GEM trading, stock abbreviation: Tianyi shares, stock code: 300504. Pioneered on the optical communication and mobile communication industry, the company has committed to the research and development, production, sales and service of communication equipment-related products, specializing in home/enterprise broadband access and intelligent networking equipment, deep coverage of mobile signals, intelligent visual equipment and R&D, production, sales and service of optical fiber communication wiring and connection equipment. The company has a rich product chain, especially in the field of optical communication, relying on years of technology and channel accumulation, and now has the product development and production capabilities of the entire industry chain from the access side to the application. With the efforts of Tianyi people, the company has maintained long-term friendly cooperative relations with mainstream operators at home and abroad, with partners all over the world. In China, the company's main customers are communication operators, and it has long provided high-quality products and services for customers such as China Telecom, China Unicom, China Mobile, and China Radio and Television Network. In recent years, the scale of the international market has gradually expanded.The company has served more than 200 companies in more than 80 countries globally.