20 Years Factory. 500+ Buyers. The Most Responsive Pile Weatherstrip Partner from China

From sliding doors to high-end window systems —
DaoSeal helps you seal better, ship faster, and grow with peace of mind

Trusted by 500+ Clients from 30+ Countries

For 20+ years, DaoSeal has helped 500+ clients worldwide — from standard strips to OEM custom profiles.
We support fast shipping, better sealing, and smooth procuts scaling

🏭 Real factory, no middleman

On-site production, full control of quality and lead time.

🌍 Serving 30+ countries

From the US to Germany, UAE, and Southeast Asia.

⚙️ OEM, wholesale, and project support

Support for tooling, private label, and non-standard dimensions.

🔁 Built for long-term partnership

Our clients return not because we're the cheapest — but the most reliable.

Daoseal is a Real Factory base in China, No Traders No Risk

Explore Our Best-Selling Pile Weatherstrip Solutions

From wool to silicone and kerf types, DaoSeal offers full-range solutions for better sealing, noise reduction, and energy efficiency.

Zipper Pile weatherstrip

Enhanced seal with zipper tooth backing. Popular for sliding doors in dusty environments.

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Skirt Pile Weathersrip

Soft edge design for flexible sealing. Ideal for window tracks and sliding doors.

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Kerf Pile weatherstirp

Insert-fit strip for secure, no-glue installation. Common for window frames.

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Extruded base pile Strip

American-style fully sealed wool strip, plastic base plate, anti-shed, anti-warp.

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Diamond Base Pile Strip

Stable grip with anti-slip diamond base.
For tight frames needing extra hold.

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Silicone wool pile weather

Silicated treatment for better waterproofing. Fit for outdoor use.

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Adhesive Pile Weatherstrip

Self-adhesive backing, no tools needed.
Perfect for DIY & temporary sealing.

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Fin Pile Weatherstrip

Extra center fin for dust blocking and energy efficiency.

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Need a Fast, Reliable OEM Factory? Let’s Build Your Sealing System from Scratch.

👉 Custom profiles, new toolings, private label packaging —
DaoSeal supports your project like your in-house team.

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Why Choose Daoseal?

Since 2001 — Trusted by brands & OEM buyers

Only focused on weatherstrips. No distractions.

Lead time from 7 days

32 skilled workers, partial models ready to ship.

Transparent Pricing, Long-Term Mindset

No hidden costs. We care about repeat business, not one-time wins.

Reliable Support:

Easy communication,responsive team

What Our Customer Say

We’ve used DaoSeal’s zipper pile for years. Great factory pricing and reliable quality — helped us win more contracts.

Mario Bruck
CEO, Door System Brand (USA)

DaoSeal customized our kerf pile orders and even pre-packaged for our warehouse. Huge help for operations.

Dennis Henry
Buyer, Window OEM (EU)

No delays. No excuses. Just clear advice, fast shipping, and consistent results. Very reliable team.

Ahmed Al Fars
Gulf Construction (UAE)

Talk to a Real Factory. Get a Fast Quote.

Samples in 3–5 days. Replies within 12 hours. Global shipping supported

+ 86 18968307323

Let’s talk sealing systems — or start with a sample.