Yantai Hongyuan Oxygen Industrial Inc. was founded in 1998. After more than 20 years of hard work, it has developed into a leading enterprise in China's PVHO industry. The company is made up of three industrial parks of Fushan Puwan, Zhifu Wolong and Hongyuan Medical Technology Industrial Park, with the total area about 500 mu, and the building area of the plant is about 80,000 square meters. At present, the company has 18 departments including sales company, technology center, R&D department, manufacturing workshop, quality department, installation engineering department and financial center and so on. There are more than 400 employees, including more than 160 professional and technical personnel. The company's total assets are about 650 million, annual sales income is 350 million, and the market share of major products exceeds 60%.Company is mainly engaged in design, manufacture and installation of PVHO such as medical hyperbaric chamber,diving decompression chamber and so on, with national, military and international qualifications for product design, manufacture, installation and maintenance. The company has strong technical strength, advanced processing technology, reliable testing methods and sound quality assurance system. The major products including: Medical Hyperbaric Oxygen Chamber, Diving Decompression Chamber, Saturation Decompression Chamber, Plateau Pressurizing Chamber, Portable Soft Chamber, Simulated Return Space Chamber, Tunnel Air Pressure Transition Chamber, all kinds of Experimental Chamber and Atmospheric Oxygen Absorption Equipment(Oxygen Bar) and so on.