QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Professional Manufacturer of Marine Rubber Airbags, Yokohama Type Fenders and Offshore Foam Buoys
Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys.
Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airbags, known as ship launching airbags or ship launching balloons, can be used for ship launching and landing, heavy lifting, and marine salvage.
Our floating fenders include pneumatic rubber fenders and foam-filled fenders. Our Yokohama-type pneumatic rubber fenders are produced and inspected in compliance with ISO 17357. Our inflatable pipe plugs are widely applicable to all kinds of municipal pipesfor blocking as stoppers. We also produce various offshore foam buoys used for surface-to-sub-sea operations at depths of up to 7000m.
Our engineers and consultants have been in fabrication and use these products for more than 30 years. Doowin Marine has clients in the ship building, marine rescue and salvage, energy and oil, offshore shipping, and other industries all over the world. Doowin Marine products passed a rigorous ISO 9001:2008 Quality Management System, approved by the third-party SGS, BV, CCS, ABS, LR, BV.
| Company Name: | QINGDAO DOOWIN MARINE ENGINEERING CO., LTD. |
|---|---|
| Business Type: | Manufacturer |
| Brands: | DOOWIN MARINE |
| Employee Number: | 60~80 |
| Year Established: | 2011 |
| Total Sales Annual: | 3000000-5000000 |
| Company Location: | Xiazhuang Industry Park, Chengyang, Qingdao, China |
| Factory Location: | Xiazhuang Industry Park, Chengyang, Qingdao, China |
Professional Manufacturer of Marine Rubber Airbags, Yokohama Type Fenders and Offshore Foam Buoys
We provide full-service OEM/ODM solutions, enabling brands to focus on marketing while we handle production or design-to-delivery.
OEM Services:
Strictly follow client specifications for precision manufacturing
Scalable production from prototypes to mass volumes
ODM Services:
In-house R&D designs customizable products
Fast market entry with ready-to-brand solutions
Why Us?
Quality: ISO-certified processes, rigorous testing
Flexibility: Support both exclusive (OEM) and shared-design (ODM) models
Workshop Insights: Where Innovation Meets Craftsmanship
Our experienced engineers and workers design and manufacture qualified airbags, fenders, plugs, and buoys.
We create outstanding products always. We use high-quality rubber raw materials and synthetic-tire-cord layers.
The advanced production technology and management system can help control cost effectively, offering the client the best price.
01 - Global Sourcing for Uncompromising Quality
02 - Production and Processing Workshop
03 - Vulcanization and Polyurethane Spraying
04 - Rigorous Testing and Inspection - Classification Society Inspection, Burst Inspection, Compression Test
05 - Rigorous Packaging & Reliable Shipping for Optimal Delivery
Doowin Marine is committed to a technology-driven approach, continuously investing in R&D, building a professional team, and upgrading our experimental equipment. We've also engaged experienced senior engineers from around the world as technical consultants to ensure the successful implementation of new projects and the launch of innovative products.
To further enhance our innovation capabilities, we actively foster collaboration with leading global research institutions, including CCCC, Ocean University of China, and Qingdao University of Science and Technology, through extensive technology exchange and strategic partnerships.
Since our inception, we've been at the forefront of adopting cutting-edge production technologies, such as Yokohama Fenders' Molded Technology, Production Technology for foam-filled fenders and mooring buoys, and Glass microsphere deep-sea buoyancy material.
Meet the Team - Versatile Driven Innovation
Employees are the cornerstone of enterprise development. DOOWIN MARINE adheres to a "people-oriented" approach and focuses on talent team building. By building a scientific management system, it enhances employees' happiness, develops the careers of enterprises and employees into a community of destiny, and promotes the quality and sustainable development of DOOWIN MARINE.
Driven by a passion for progress, our R&D experts turn challenges into industry-leading ship-launching, fendering and buoyancy solutions. Our dedicated R&D team relentlessly pursues innovation, ensuring our products stay ahead of your evolving needs.
Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys.
In 2006, our founders were engaged in the Marine Rubber Fenders Industry.
In 2007, we produced the first Marine Rubber Airbags and launched the First Ship using our airbags.
In 2008, we produced the first Pneumatic Rubber Fenders for the 2008 Qingdao Olympic Sailing Events.
In 2010, we started producing the Foam Filled Fenders.
In 2011, our parent company was established. It is engaged in the industry of Buoyancy Assistance and Marine Salvage.
From 2012 to 2021, we have been engaged in the production and sales of pneumatic rubber fenders and rubber airbags under the BUODER brand.
In 2015, our EVA Foam Mooring Buoys product line was completed.
In 2021, with the support of a new round of financing, we launched the new global brand - Doowin Marine. It specialises in the production and sales of pneumatic rubber fenders, rubber airbags, and marine buoys.
In 2022, the company began the research and development and production of Deep-sea Glass Microsphere Composite Foam Material.
In 2023, the company expanded its production scale and improved its production technology for Marine Rubber Airbags and Pneumatic Fenders.
In 2025, the company's production capacity continued to increase. We passed the ISO 9001 Quality Management Certification.
Doowin Marine: Pioneering Airbag Engineering Solutions Worldwide
Industry Leadership
As the global pioneer in specialized airbag engineering, Doowin Marine delivers cutting-edge solutions for vessel launching, hauling, heavy load transportation, and structural relocation. Our exclusive dual certification from Lloyd’s Register (LR) and China Classification Society (CCS) underscores our technical excellence, supported by a proven history of serving prestigious international clients.
Comprehensive Project Services
We offer end-to-end project management for:
Specialized Capabilities
Value-Added Services
Doowin Marine combines innovation with operational rigor to redefine marine and industrial engineering standards globally.
| Market name: | Worldwide |
|---|---|
| Contact Person: | Xiang Sun |