Need a quote?

We’ll respond to your request within 1 business day. If you have an urgent request, please call us at 86-15916883912. Thank you for the opportunity to quote.

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.

Latest projects

office
We Have Better Technology

DLSEALS focuses on customer needs and is a reliable partner and supplier to customers in more than 110 countries worldwide, helping them solve supply and technical problems.

learn more
office
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.

learn more
office
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.

learn more

120000+
Product Quantity Specifications
1500+
Material formulation
6000+
Transaction client
0.5 to 2500mm
Product Diameter Range

Latest News

Failure causes and solutions for metal O-...

10 Sep,24

Metal O-rings perform well in high temperature, high pressure and corrosive environments, but they may still face failure problems in actual applications. Understanding the common failure causes o...
Metal Seals Selection and Maintenance: Ke...

09 Sep,24

Metal seals play a vital role in industrial equipment, and their quality directly affects the performance and safety of the equipment. Proper selection and maintenance of metal seals are essential...
Comparison of pressure performance betwee...

07 Sep,24

In sealing technology, metal seals are widely used in various industrial fields due to their excellent high-pressure resistance. Metal C-rings and metal O-rings are common types of metal seals, ea...