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Featured Products

We have 162 sets of production equipment, most of which are imported from Germany and Japan. Production lines include molding, casting, injection molding, extrusion, sintering, CNC machining, puching, etc. The production range of seals is 0.2mm-5000mm, with a daily output of 127,000 pieces or more.

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We Have Better Technology

DLSEALS focuses on customer needs and is a reliable partner and supplier to customers in more than 160 countries worldwide, helping them solve supply and technical problems.

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We Have Many Partners Around The World

We have our own technical center and testing facilities, a comprehensive laboratory that integrates product development, manufacturing and testing; with material formulation tests, physical testing tests, chemical tests, pilot production processes and product testing laboratories.

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Obtained Numerous Patents

Our manufacturing standards are evidenced by the certifications we have obtained over the years. In addition to SGS, ROHS, REACH, FDA, UL, TUV, CE and many others, DLSEALS has ISO 9001:2015 quality management system certification.

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120000+
Product Quantity Specifications
1660+
Material formulation
6000+
Transaction client
0.5 to 2500mm
Product Diameter Range

Latest News

Polytetrafluoroethylene (PTFE) Bellows: A...

07 Apr,26

In modern industrial fluid systems, balancing chemical stability, flexibility, and temperature resistance is a constant technical challenge. PTFE bellows, with their unique geometric structure and...
The Foundation of Industrial Precision: A...

03 Apr,26

In the lexicon of precision mechanical engineering, a Shaft Sleeve is far more than a simple cylindrical tube. It is a critical functional component that integrates material science with geometric...
The “Last Mile” of Hardcore S...

02 Apr,26

In extreme operating conditions—such as ultra-high vacuum, cryogenic temperatures (liquid hydrogen/nitrogen), highly corrosive environments, or ultra-high pressure (exceeding 100 MPa)—polymer seal...