Official Partnership Announcement
We are thrilled to announce that CHOCAGENT has entered into a formal overseas distribution agreement with Shanghai Yangyuan Hyperbaric Oxygen Chamber Co., Ltd. in January 2026. This partnership marks a significant milestone in our commitment to bringing world-class hyperbaric oxygen therapy equipment to the global market.
As an officially authorized distributor, CHOCAGENT has received formal authorization documentation, underscoring the legitimacy and professionalism of our collaboration with this leading manufacturer.
About Shanghai Yangyuan Hyperbaric Oxygen Chamber Co., Ltd.
Shanghai Yangyuan Hyperbaric Oxygen Chamber Co., Ltd. was originally affiliated with the China State Shipbuilding Corporation (CSSC), a leading domestic research and design institution for naval vessels.
The company specializes in the design and manufacturing of:
- Medical air-pressurized oxygen chambers
- Single-person oxygen-pressurized medical chambers
- Mild-pressure oxygen enrichment chambers
- Decompression chambers
- Saturation diving chambers
- Vacuum negative pressure chambers
- Air pressure transition chambers (airlocks)
- Animal experimental chambers
- Animal hyperbaric oxygen chambers
- Oxygen bars
- Class D and non-standard pressure vessels and their supporting equipment
Technical Excellence and Experience
The company possesses robust technical strength, backed by a team of experienced senior experts and a professional cadre of young engineers. This provides a powerful technical guarantee for the design, manufacturing, installation, and use of its product lines, including hyperbaric oxygen chambers, micro-pressure oxygen chambers, air pressure transition chambers, and pressure vessels.
Certifications and Qualifications
Yangyuan holds an impressive array of certifications that demonstrate their commitment to quality and safety:
- Special Equipment Manufacturing License of the People's Republic of China
- Medical Device Production License
- ISO 9001 Quality Management System Certification
- ISO 14001 Environmental Management System Certification
- ISO 13485 Medical Devices Quality Management System Certification
- ISO 45001 Occupational Health and Safety Management System Certification
- CE Certification (Conformité Européenne)
Innovation and Patents
With a long manufacturing history, strong technical capabilities, and a complete range of equipment, the company has designed a series of medical and research oxygen chambers over the past thirty years and manufactured various chambers featuring leading domestic and international technologies.
The company holds numerous patents for supporting chamber equipment, including:
- The domestically pioneered lightweight thin-shell translational self-sealing door
- The innovative synchronous lifting pressure-resistant self-sealing door (a domestic original)
- Leak-proof automatic balancing oxygen inhalation/exhalation helmets
- Fully transparent primary oxygen supply hoods specifically for tracheotomy patients
- Specialized devices for intravenous infusion into single-person chambers from outside
- In-pressure blood sampling devices for animal chambers
- Heating/cooling chamber temperature regulation systems
- Automatic lifting door track cover leveling devices
- Automatic unlocking devices for medical air-pressurized oxygen chamber doors
- Automatic pressurization interlock devices for single-person chambers
- Oxygen heating and humidification devices for critically ill patients
Product Development History
Yangyuan has an extensive history of innovation spanning over six decades:
1960s-1980s:
- 1966: China's first large-scale hyperbaric chamber complex
- 1986: Differential pressure exhaust device for manned pressure vessels
- 1988: Computer-operated chamber control system
- 1989: Medical hyperbaric chamber with large-aperture self-sealing lightweight thin-shell rectangular door
1990s:
- 1990: China's first 300-meter helium-oxygen saturation diving simulator chamber
- 1995: Transparent infant hyperbaric chamber
- 1995: Magnetic coupling sealed transmission device
- 1997: Large-aperture lightweight thin-shell sliding door
- 1998: Microresistance fully automatic oxygen inhalation device for hyperbaric chambers
- 1999: PSA oxygen generator & liquid oxygen storage tank supply system
- 1999: Balanced membrane-type oxygen inhalation helmet
2000s-2020s:
- 2000: Optical waveguide lighting system for hyperbaric chambers
- 2001: Water spray fire suppression system for hyperbaric chambers
- 2002: New-generation transparent single-person oxygen chamber
- 2004: First-generation pneumatic sliding door
- 2010: Follow-up lifting door
- 2011: Mine disaster escape capsule
- 2011: Sealed sliding-door pressurized oxygen bar cabin
- 2011: Air pressure transition chamber (personnel airlock)
- 2011: Mild-pressure hyperoxygenation chamber
- 2015: Second-generation remote-controlled pneumatic sliding door
- 2017: Stretcher extension mechanism for medical single-person oxygen pressurized chambers
- 2018: Lift-type docking stretcher (cart) for medical single-person oxygen pressurized chambers
- 2019: Triple-interlock door locking safety device for medical single-person oxygen pressurized chambers
- 2019: Flat-bottomed medical air pressurized chamber
- 2020: China's first panoramic medical single-person oxygen pressurized chamber
- 2021: Second-generation mild-pressure hyperoxygenation chamber
- 2023: Animal hyperbaric chamber
Commitment to Quality Service
Inheriting the fine traditions of defense research units, the company places great emphasis on quality and reputation. It maintains a timely and meticulous approach to pre-sales and after-sales services, offering 24-hour responsiveness and providing consistent, high-quality service. The company serves diverse stable customer groups, leveraging advanced technology and reliable equipment, earning widespread acclaim from customers.
CHOCAGENT's Role as Official Distributor
As the officially authorized overseas distributor for Yangyuan, CHOCAGENT is proud to bring these cutting-edge hyperbaric oxygen therapy solutions to international markets. Our formal partnership, established in January 2026 with official authorization documentation, ensures that customers receive genuine products backed by Yangyuan's decades of expertise and CHOCAGENT's commitment to professional service.
This collaboration represents our dedication to providing legitimate, high-quality HBOT equipment and supporting the global expansion of proven Chinese medical technology innovation.
