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The Professional Sealing Solution Supplier(O Ring Suppliers&Oil Seal Manufacturers).

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DMS  are a scientific and technical enterprise specializing in seal production, sealing material development and the conception of sealing solutions for special working condition. We have 120 employees, including 70 senior technicians.


DMS  Custom Rubber Rings,O Ring Company&factory covers an area of more than 10,000 square meters and the factory area is 8,000 square meters. Our production equipment and test equipment are at the leading level in the industry. We are one of the largest companies in China specializing in the production and development of seals. We have long-term communication and cooperation with many universities and research institutions at home and abroad.


INTERMAT 2018 is known as the international exhibition for equipment and technology of building

materials, showing the latest development in the construction equipment worldwide.

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