The company is an industry-leading provider of vertical integration solutions for high-end passive devices and an ODM/OEM manufacturer of high-speed optical device packaging. Products are widely used in telecommunication, data centers, Internet of Things and other fields. TFC was founded in Suzhou in 2005 and listed on the China GEM in 2015, stock code 300394. The company is positioned as an overall solution provider for optical devices, specializing in R&D, large-scale mass production and sales of high-speed optical devices. Based on the field of optical communication, the company has long been committed to the R&D, production, sales and service of various medium- and high-speed optical device products, providing downstream customers with vertically integrated one-stop solutions, including high-speed coaxial device packaging solutions, high-speed BOX device packaging solutions, AWG series optical device passive solutions, microoptical solutions, etc. Relying on the existing mature optical device R&D platform for the optical communication industry, the company used the team's expertise in various fields such as basic materials and components, optical design, and integrated packaging to expand new supporting products for downstream lidar and medical testing customers during the reporting period, including basic component products and integrated packaged device products. Honors received by the company include the title of invisible champion enterprise in Jiangsu Province, famous brand products from Jiangsu, the top 50 companies listed on China's GEM, and the top 10 most competitive enterprises in optical devices and auxiliary equipment and raw materials in China in 2018.