About Daoseal
Ningbo Daoseal Co., Ltd is one of the Top 3 Door window unit manufacturers in China, with 15 years of window insulation kit manufacturer experience. There are about 35 workers in Daoseal, Workshop 800square metres.
15 years experience, Innovative solutions, Skill work team, Customization Available. Fast and cost-effective delivery
Get a Great Deal on window insulation kit in Bulk. Find the Right factory in China.
Check out our product
Window insulaiton kit
This transparent window shrink film helps stop heat loss, providing indoor warmth and comfort during wintertime.
Good Quality
To ensure the products you used we are using with good quality raw material film .
Various Choice
Different size, different design Different choice for your different requirements.
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 window insulaition kit from Daoseal so many times, very fast shipping, good and accurate product, all work very good, we
will certainly buy it from Daoseal products again
My Name is Dennis, Since 2016 I buy window insulaiton kit from daoseal.Our Choice is Smart, Daoseal product 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……..