About Daoseal
Ningbo Daoseal Co., Ltd is one of the Top 3 Door seal manufacturer in China, with 15 years of door seal manufacturer experience. There are about 35 workers in Daoseal, Workshop 800 square metres.
15 years experience, Innovative solutions, Skill work team, Fast Customization Available
Get a Great Deal on Automatic door bottom in Bulk. Find the Right factory in China.
Check out our product
Surface mounted type
Surface mounted bottoms install without removing the door from its hinges.
Semi mortised type
Semi-mortised bottoms may require removal of door if the door does not have cut out.
Mortised type
Mortised bottoms will require removal of the door prior to installation.
Why us
We will offer the right product you want.
We are a real factory base in China, No middle man, We know what our customer need
Customers reviews
What people say
I imported automatic door bottom from Daoseal so many times, very fast shipping, good and accurate product, all work very good, we
will certainly buy automatic door bottom from Daoseal products again
My Name is Dennis, Since 2016 I buy automtic door bottom from daoseal.Our Choice is Smart, Daoseal automatic door bottom is suitable for Europe Market and give benefit for both of our side.
Contact Us
If you have any questions about our Intumescent fire Seal, Just only send us a message and you will get more……..