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

Study on the tolerance of metal sealing r...

06 Nov,24

Metal sealing rings are often exposed to corrosive environments in many industrial applications, including chemical, oil, gas and offshore engineering. Under these conditions, the corrosion resist...
Study on the dynamic sealing characterist...

05 Nov,24

Metal sealing rings play a key role in dynamic sealing applications, and their performance directly affects the sealing effect, reliability and service life of the equipment. Dynamic sealing refer...
Performance analysis of metal sealing rin...

04 Nov,24

Under high temperature and high pressure conditions, the performance of metal sealing rings is greatly challenged. In order to ensure reliable sealing under these extreme conditions, it is necessa...