From November 7 to 9, 2025, the 8th China International Diving, Salvage & Marine Engineering Equipment Exhibition (CDSME 2025) was successfully held at the Xiamen International Conference & Exhibition Center.
This event, jointly organized by the China Diving and Salvage Contractors Association (CDSA), Association of Diving Contractors International (ADCI), and the International Marine Contractors Association (IMCA), serves as a premier platform for industry professionals to exchange ideas and explore cutting-edge marine technologies.
Yantai Haiyun Diving Equipment Co., Ltd. at CDSME 2025
Yantai Haiyun Diving Equipment Co., Ltd. — established in 1993 and restructured in 2014 — brought its full range of professional diving gear and underwater engineering solutions to the exhibition. As a leading manufacturer under the brand SEAM, Haiyun has been dedicated to developing reliable and innovative equipment for commercial diving, marine engineering, and underwater operations.
Haiyun’s products cover a complete portfolio of professional diving systems, including:
Commercial Diving Helmets (CDM Series) – Designed and manufactured with Haiyun’s own patents, featuring high strength, comfort, and safety.
Full-Face Masks & Diving Goggles – Providing excellent visibility and ergonomic fit for professional and recreational divers.
Diving Umbilicals & Air Supply Systems – Ensuring stable air delivery for surface-supplied diving operations.
Breathing Regulators and Underwater Communication Systems – Supporting clear voice communication and safe breathing at depth.
Underwater Video & Lighting Systems – Capturing operations in real time for inspection and training purposes.
Underwater Cutting and Welding Equipment – Reliable tools for subsea construction and emergency repairs.
Air Filtration and Compressor Systems – Providing clean air supply for divers and support teams.
Haiyun’s equipment is widely used by commercial diving companies, offshore oil engineering contractors, maritime rescue teams, and diving training centers worldwide.
During CDSME 2025, Haiyun presented its latest technologies under the theme “Innovation in Depth, Safety Beyond Limits.”
Visitors experienced first-hand the robust design and craftsmanship of Haiyun’s equipment, which combines engineering precision with decades of practical diving experience.
Haiyun also introduced its integrated solutions for diving operations, offering one-stop packages from air supply and communication to underwater vision and safety management — helping clients simplify procurement and improve efficiency.
With a factory area of over 5,000 square meters and more than 50 patents and trademarks, Haiyun is committed to continuous innovation and strict quality control. Every helmet, mask, and hose is tested to international standards to ensure safety and reliability in harsh marine environments.
As Haiyun expands its international presence, the company welcomes global partners from the fields of marine engineering, diving operations, salvage, and emergency rescue to cooperate and grow together.
At CDSME 2025, Haiyun Diving Equipment not only showcased the power of Chinese manufacturing but also demonstrated a vision for the future of global underwater technology.
Haiyun invites all industry professionals to connect, collaborate, and explore the deep blue together.
Yantai Haiyun Diving Equipment Co., Ltd.
Your Trusted Partner in Professional Diving Solutions.
