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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

Bronze-Filled PTFE Seals: Advanced Wear-R...

18 Jul,25

Material Design Principles The CuSn6 bronze-PTFE composite achieves synergistic performance: Component Function Mechanism PTFE Matrix Chemical inertness / Low friction (μ=0.02–0.1...
Compressor Oil Control Rings: Core Techno...

17 Jul,25

Core Functions & Operational Challenges Oil Control Rings act as the “blood purifier” in reciprocating compressors, performing two critical tasks: Oil Scraping Precision: Remove...
PEEK-Reinforced PTFE Seals: Revolutionary...

16 Jul,25

The integration of 20% polyetheretherketone (PEEK) nanoparticles into PTFE matrices creates a hybrid material that redefines the limits of conventional sealing solutions. Below is a technical an...