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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

The Core of the Spring-Energized Seal: An...

11 Aug,25

In the design of spring-energized seals (often known by names like Fǔnsāi Fēng), the core driving force behind their exceptional performance is not the seal body itself, but its indispensab...
Single-Lip Oil Seal: Technical Analysis a...

08 Aug,25

In industrial rotary sealing applications, the single-lip oil seal (single-lip radial shaft seal) serves as a core component for preventing fluid leakage and excluding contaminants under medium-...
Sealing Guardian at -200°C Liquid Nitroge...

07 Aug,25

In harsh environments subjected to both cryogenic temperatures and ultra-high pressure—where the medium is liquid nitrogen (boiling point: -196°C), operating temperature drops to -200°C, and press...