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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

Technical Empowerment for Assembly: Analy...

11 Mar,26

As a manufacturer deeply engaged in the sealing industry, we firmly believe that the long‑term sealing performance of a high‑quality oil seal depends half on precise design and strict manufacturin...
Technical Analysis of Tip Seals in Scroll...

09 Mar,26

The tip seal (also known as tip seal strip or apex seal) is a critical axial sealing component in scroll compressors. It directly affects the gas tightness of the compression chambers, volumetric ...
Performance and Advantages of Hydraulic O...

06 Mar,26

In complex hydraulic transmission systems, a seemingly small yet crucial component—the hydraulic oil seal—silently plays the role of a “guardian.” Positioned between the rotating shaft...