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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

Solar Seal Rings: Engineering 25-Year Wea...

17 Jun,25

As a manufacturer with 31 years of sealing technology expertise, we understand PV seal rings are not ordinary rubber components—they must protect equipment for 25 years under desert UV, coastal sa...
Nuclear Power Plant Sealing Systems: Safe...

16 Jun,25

In the primary loop, main pumps, steam generators, and valve systems of nuclear power plants, sealing components withstand extreme conditions including 350°C high-temperature pressurized water, in...
Medical Sealing Solutions: Nanoscale Guar...

13 Jun,25

Inside blood transfusion needles, insulin pump tubes, and pacemaker housings, medical seals operate at micron-level precision to block bacterial invasion, prevent drug leakage, and withstand mil...