O-Net Technologies (Group) Limited, an investment holding company, designs, manufactures, and sells optical networking subcomponents, components, modules, and subsystems for high-speed telecommunications and data communications systems. The company offers optical communication products, such as amplifiers, couplers and connectors, free space isolators, ICRs, micro optics, polarization maintenance products, pump lasers, signal monitoring products, tunable filters, VOAs and switches, WDMs, and hybrid products; and data center products. It also provides industrial application products, including fiber laser and machine vision products, electronic cigarette accessories, and mobile phone parts; designs, develops, and manufactures, and sells automation equipment and chips and laser products; manufactures and distributes fiber optics components and fiber sensors; and operates research and development center in the United States. In addition, the company offers coating solutions for the consumer electronics products; and light detection and ranging products for advanced driver assistance systems applications. The company has operations in the People’s Republic of China, Europe, North America, and other Asian countries. The company was formerly known as O-Net Communications (Group) Limited and changed its name to O-Net Technologies (Group) Limited in January 2016. O-Net Technologies (Group) Limited was founded in 2000 and is headquartered in Shenzhen, the People’s Republic of China. The company is considered a Red Chip company due to its listing on the Hong Kong Stock Exchange.