Import Automatic Door Bottom — Buy in wholesale FOB from Supplier in China
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Automatic Door Bottom
The automatic door bottom seal from Ningbo Daoseal Co., Ltd is a spring-loaded weatherstripping device designed for fire-rated, acoustic, and exterior doors in commercial and residential buildings. The seal automatically drops to contact the floor when the door closes, creating a barrier against dust, smoke, drafts, light, and pests, then retracts upon opening to ensure smooth clearance. This mechanism is widely used in hospitality, healthcare, and industrial facilities where energy efficiency and safety are priorities.
The body is constructed from aluminium, with an EPDM or silicone seal insert providing flexibility and durability. Typical industry specifications for such seals include a drop height of 10 to 15 mm, with standard widths of 30 to 50 mm to fit mortised grooves in door bottoms. The spring mechanism is designed for a minimum of 50,000 operational cycles, and the seal material is resistant to temperature extremes from -40°C to 120°C.
Architects and contractors specify these seals for projects requiring fire safety, soundproofing, or energy efficiency, particularly in regions with strict building codes such as Southeast Asia, the Middle East, and Europe. The units are mortised into the door’s bottom groove and operate via pressure against the door jamb, with adjustable strike plates for precise alignment. Buyers should confirm compatibility with door types and fire ratings before ordering.
| Material | Aluminum body with EPDM or Silicone seal insert |
| Operation | Spring-loaded, drops on door close, retracts on open |
| Function | Dust, smoke, draft, light, and pest barrier |
| Installation | Fully mortised into bottom door groove |
| Typical Drop Height | 10 to 15 mm (standard for commercial seals) |
| Typical Width | 30 to 50 mm (standard to fit mortised grooves) |
| Operational Cycles | 50,000 minimum (typical spring mechanism lifespan) |
| Temperature Resistance | -40°C to 120°C (standard for EPDM/silicone) |
| Fire Rating | Fire-labeled (confirm specific rating with supplier) |
| Applications | Fire-rated, acoustic, and exterior doors |
Ningbo Daoseal Co., Ltd is located in Changle Industrial Zone, Yinzhou District, Ningbo, Zhejiang Province, with a postal code of 315000. The company specialises in door hardware, including automatic door bottom seals designed for commercial and residential applications. Its harbor-tier trust classification indicates a verified operational presence in the region, catering to international markets.
The supplier’s product range focuses on solutions for fire safety, energy efficiency, and acoustic performance in building construction. While the response rate and average response hours are not currently recorded, the company’s listings emphasize compliance with industry standards for fire-rated and weatherproofing applications. Buyers are encouraged to contact Ningbo Daoseal directly to discuss customisation, certifications, or bulk ordering options.
Automatic door bottom seal is a spring-loaded weatherstripping device designed for fire-rated, acoustic, and exterior doors in commercial and residential buildings. The seal automatically drops to contact the floor when the door closes, creating a dust, smoke, and draft barrier, and retracts on opening for smooth clearance. This hardware fitting is widely specified in commercial construction, hospitality fit-outs, and industrial facilities, with demand driven by energy efficiency and fire safety regulations in import markets across Southeast Asia, the Middle East, and Europe.
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Sourcing Automatic Door Bottom from Ningbo Daoseal Co., Ltd - China Import Guide
Before placing an order, confirm the seal’s compatibility with your door type, including groove dimensions and fire rating requirements. Request samples or technical drawings to verify the fit and performance, particularly for non-standard doors or high-traffic areas where durability is critical.
Clarify logistics details such as Incoterms, with FOB Ningbo being a common option for shipments from Zhejiang Province. Lead times may vary based on order volume, so discuss production schedules and shipping methods to align with your project timeline. Payment terms are typically negotiable and should be agreed upon in writing.
Upon delivery, inspect the seals for dimensional accuracy, material quality, and proper spring tension. Request fire rating certificates and test reports to ensure compliance with local regulations. For large orders, consider third-party inspections to verify the seals meet the specified standards for fire safety, acoustic performance, and weatherproofing.
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30 suppliersBuy Automatic Door Bottom in Bulk — Verified Supplier in China
When sourcing Automatic Door Bottom for your business, securing the right balance of quality and cost is essential. Ningbo Daoseal Co., Ltd, a verified supplier based in China, offers this product with key specifications including Automatic Door Bottom Seal / Spring-Loaded Door Sweep, EPDM Rubber or Silicone Gasket, and Anodized Aluminum Alloy. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $4/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8302.41, making it a staple in the Cupboards, Doors, Gates, Grills & Windows sector with strong demand from importing countries worldwide.
Automatic Door Bottom Specifications, Trade Terms & Pricing
Importing Automatic Door Bottom requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Daoseal Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8302.41 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Ningbo Daoseal Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Automatic Door Bottom has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Cupboards, Doors, Gates, Grills & Windows category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Automatic Door Bottom — Shipping, Logistics & Customs
Importing Automatic Door Bottom requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8302.41 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Automatic Door Bottom
What is the wholesale price of Automatic Door Bottom?
The current listed wholesale price for Automatic Door Bottom from Ningbo Daoseal Co., Ltd is $4/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Ningbo Daoseal Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Automatic Door Bottom?
The supplier, Ningbo Daoseal Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Automatic Door Bottom. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Automatic Door Bottom?
For international shipping and customs clearance, Automatic Door Bottom is classified under HS Code 8302.41. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Automatic Door Bottom from China?
To import Automatic Door Bottom from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Daoseal Co., Ltd. Ensure you have the necessary import licenses for Cupboards, Doors, Gates, Grills & Windows products in your destination country.
Is Ningbo Daoseal Co., Ltd a verified supplier?
Yes, Ningbo Daoseal Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Automatic Door Bottom?
The key specifications for Automatic Door Bottom supplied by Ningbo Daoseal Co., Ltd include Automatic Door Bottom Seal / Spring-Loaded Door Sweep, EPDM Rubber or Silicone Gasket, and Anodized Aluminum Alloy. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Automatic Door Bottom?
Ningbo Daoseal Co., Ltd offers Automatic Door Bottom with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Automatic Door Bottom the most?
Automatic Door Bottom is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Daoseal Co., Ltd through our platform.
What certifications does this Automatic Door Bottom supplier hold?
Ningbo Daoseal Co., Ltd maintains international quality certifications. These ensure that the Automatic Door Bottom meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Automatic Door Bottom on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo Daoseal Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Ningbo Daoseal Co., Ltd.
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