Foshan keyhub Electronic industries Co. was established in 2006. They manufacture and sell oxygen concentrators, nebulizers, oxygen analyzers and the core parts of oxygen concentrators. In 2014, Keyhub built a 40,000 square meter factory and increased its employee capacity.
Their operation allows for customization as well as ordering OEM parts. Their production capacity as of April 2020 was 60,000 sets per month at minimum. Their two factories are located in the Shandong and Guangdong provinces of China.