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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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Latest projects

  • We Have Better Technology
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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
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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
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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

    120000+

    Product Quantity Specifications
  • 1660+ Material formulation

    1660+

    Material formulation
  • 6000+ Transaction client

    6000+

    Transaction client
  • 0.5 to 2500mm Product Diameter Range

    0.5 to 2500mm

    Product Diameter Range

Latest News

  • Selecting Sealing Components for Media Co...

    02 Sep,25
    In the oil, natural gas, and chemical industries, handling natural gas rich in hydrogen sulfide (H₂S), often called “sour gas,” presents extreme challenges to equipment reliability and...
  • Scientific Selection and Correct Use: A Complete Guide to Precautions for Various Rubber Seal Materials

    Scientific Selection and Correct Use: A C...

    01 Sep,25
    Rubber seals are indispensable critical components in industrial equipment, automobiles, aerospace, and everyday products. Their performance directly affects the system’s sealing performance...
  • Addressing Extreme Conditions: Selection Strategy and Considerations for Sealing Elements in Strong Alkali High-Pressure Environments

    Addressing Extreme Conditions: Selection ...

    29 Aug,25
    In numerous industrial fields such as chemical processing, petroleum refining, hydrometallurgy, and new energy battery material production, equipment and pipelines often handle strong alkaline med...
we are DLSEALS

Dedicated to providing one-stop seal development and manufacturing solutions to customers worldwide.

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