That is what a factory always does, right? Any products about butyl rubber, acrylic tape, flashing tape etc. you can let us know, the R&D department is always at your service.

Do you have all Technical Data Sheet for the products?

Yes, any doubt about the products, pls let us know.

Do you have any Certification?

Wow, it seems we have all you need, IATF16949; ISO14001; OHS18001.

Modern Acoustic Fireproof & Smoke-Proof Automatic Door Bottom Sealing Strip

Name: Modern Acoustic Fireproof & Smoke-Proof Automatic Door Bottom Sealing Strip
Brand: Kejian Polymer Material(Shanghai) Co., Ltd.
SKU: 2085152102

Shanghai, ChinaKejian Polymer Material(Shanghai) Co., Ltd.

US$5.50-9.80

100 Pieces

Sample price:US$7.50/piece.Request sample

Product profile

Customization

Available

Material

Sponge Rubber

Usage

Doors & Windows

Model NO.

TOBS

Type

Metal Rubber Compound Sealing Strip

Sectional Shape

Rectangle

Performance

Wear

Standard

Standard, Nonstandard

Product Name

Automatic Heavy Duty Metal Door Bottom Sweep

Materials

Synthetic Fiber/Rubber

Application

Door Bottom

Included Components

Automatic Door Bottom Mortised

Color

Silver, Clear Aluminum

Transport Package

Polybag+Carton

Specification

Determine based on product size

Trademark

TOBS

Origin

Shanghai, China

HS Code

39263000

Production Capacity

5000000PCS/Month

Key features

Automatic Door Sweep: Raises rubber seal when door is open and seals automatically when closed.

Fire & Smoke Proof: Self-extinguishing neoprene seal blocks sound, smoke, light, and drafts.

Heavy Duty Construction: Made with high-quality aluminum casing and precision solid spring-loaded mechanism.

Customizable Dimensions: Product dimensions 32*1*2 inches are customizable to fit specific needs.

Multi-Color Options: Available in Black, White, Brown, Gray, and other custom colors.

Effective Gap Sealing: Fills gaps up to 1 inch under the door for superior insulation.

Smooth Operation: Metal plunger prevents rubber dragging, prolonging life and ensuring smooth use.

OEM/ODM Service: Factory supports full customization from samples, designs, or minor adjustments.

Company profile

Importers and ExportersCooperated with Fortune 500High Repeat Buyers ChoiceYears of Export Experience

Kejian Polymer Material(Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.12h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, and R&D capabilities. Evidence indicates established procedures for supplier assessment, corrective and preventive actions, customer complaints, and finished-product inspection. It offers OEM and ODM services, broad customization, five production lines, stated output capacity, in-stock service, and overseas-agent or branch support. However, it has no valid manufacturing-capacity contract with associated subcontractors, no overseas warehouse or showroom, no new product reported in the past year, and its overseas-service country count is stated as zero. Certification holdings, specific financial performance, and customer case details are not sufficiently documented.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaints, provides in-stock service, and supports overseas agents or branches. Countervailing limitations include no overseas warehouse, no overseas showroom, and a stated overseas-service country count of zero.

R&D capabilityThe supplier reports 30 total years of R&D-engineer experience, available SDK capability, ODM services, and multiple design-support options. However, it also states that no new product was developed in the past year, so the evidence shows established capability but limited recent innovation activity.

Production capacityProduction evidence includes five production lines, stated annual productivity for several product categories, in-stock capability, standardized finished-product inspection, and lead times within 15 workdays in both peak and off seasons. The lack of a valid manufacturing-capacity contract with associated subcontractors is a documented weakness, but the supplier has substantial direct capability indicators.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full and minor customization, flexible customization, and ODM services. This is direct evidence of broad customization support.

Product Q&A

Q:What are the accepted payment methods?

We accept Payment via Made In China or Bank Transfer.

Q:Are all your items in stock?

Kejian Polymer is a factory, we can produce according to your requirement; we also have some stock in warehouse but need to check.

Q:What is your MOQ?

Basically, 1 pallet via sea transportation for the items which we don't have stock in warehouse, and no MOQ for stock. Pls note that the pallet package provide a better protection for the goods.

Q:What is your normal package?

Corrugated Carton Box; packaging depends on the dimension of the items. Or Customized is permitted.

Q:What is your delivery time?

Basically 5-10 Working days after the payment.