Daoseal is a leading manufacturer of pile weatherstripping solutions based in Ningbo, China. With over 20 years of industry expertise, we specialize in delivering high-performance sealing products for doors and windows at competitive prices to clients across the US, Canada, Australia, and beyond.
At Daoseal, our mission is to create long-term value in both domestic and international markets. We are dedicated to reliable quality, continuous innovation, and sustainable production, while maintaining strong relationships with our global partners.
Our dedicated sales and technical team ensures smooth communication, fast response, and reliable quality. With over 10 skilled QC technicians, we guarantee every inquiry is handled within 24 hours and every order meets strict international standards.
Our 2,000㎡ factory in Ningbo, China, is equipped with advanced production lines and a monthly capacity of over 10 million meters of pile weatherstrips. We are ISO 9001 certified and continuously improve efficiency, product consistency, and customer satisfaction.
We operate high-speed machinery and precise production processes. Every order goes through a 4-step quality control inspection before shipping, ensuring each product meets international quality standards
From Warping to Shipping – Our 8-step production process ensures durability, accuracy, and consistent quality in every batch. Learn more about our OEM/ODM advantages or contact us for a quote.
All Daoseal products come with a 12-month warranty. If any quality issues arise within this period, we will provide a free replacement or solution.
Our factory is ISO9001 certified. We also comply with RoHS and REACH standards for materials upon customer request.
Yes. Our sales team and QC technicians provide full technical support, product recommendations, and fast responses—typically within 12 working hours.
Certainly. We can arrange on-site support or invite you to visit our factory in Ningbo for project discussions and sample reviews.
We accept T/T (bank transfer), PayPal, and L/C for bulk orders. For sample orders, full payment in advance is required.
Standard lead time is 7–15 working days depending on order quantity. Urgent orders can be expedited upon request.
We support sea, air, and express shipping (DHL, FedEx, UPS). We’ll recommend the most cost-effective method based on your location and urgency
Yes, we provide OEM/ODM services including custom packaging and private labeling to meet your branding needs.
Get expert advice and a customized quote within 12 hours.
We provide fast response and professional support to help you select the right weatherstripping solution for your needs.
We will contact you within 1 working day, please pay attention to the email with the suffix “@Daoseal.com”.