How do you control the quality?

We will arrange sample confirmation before production. During the production, we have professional QC staffs control the quality and manufacture in accordance to your confirmed samples.

Automatic Door Bottom Seal Door Drop Seal

Name: Automatic Door Bottom Seal Door Drop Seal
Brand: Hangzhou Biyou Building Materials Technology Co., Ltd.
SKU: 2171871195

Zhejiang, ChinaHangzhou Biyou Building Materials Technology Co., Ltd.

US$5.60

200 Meters

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

ADDS-B-1

Type

Door Drop Seal

Material

Alu,Silicon

Min / Max Gap

3-13mm

Seal Color

Black,Grey

Suface Finish

Aluminium Anodised 15 Microns

Location

Install on The Bottom of Single or Double Doors

Funtion

Prevents Fire or Smoke Spreading Across Various Fi

Advantage

Soundproof Smoke and Fire Prevention

Transport Package

30PC/Carton

Specification

380-1200mm

Trademark

Origin

Zhejiang

HS Code

7610900000

Production Capacity

5000PC

Key features

Fire and Smoke Prevention: Prevents fire or smoke spreading across various fire compartments effectively.

Soundproof Design: Provides soundproofing capabilities along with smoke and fire prevention.

Customizable Dimensions: Min/Max gap adjustable from 3-13mm to fit specific door requirements.

OEM and ODM Support: Professional manufacturer supporting OEM and ODM for famous brands.

Premium Material Build: Constructed with Aluminum and Silicon with anodized surface finish.

Flexible Color Options: Available in Black and Grey seal colors to match door aesthetics.

1-Year Warranty: Comprehensive 1-year warranty coverage for product quality assurance.

Free Sample Evaluation: Free samples provided for evaluation; customer covers freight cost.

Company profile

Hangzhou Biyou Building Materials Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤9.88hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryHangzhou Biyou Building Materials Technology Co., Ltd. is identified as a Chinese manufacturer/factory with production in Jiashan, Zhejiang, while its international sales office is in Hangzhou. The supplier specializes in weather sealing systems and passive fire products, including intumescent seals, fire pillows, collars, tapes, smoke seals, and related sealing products. It reports ISO 9001 and ISO 14001 certifications, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The company states that it has professional R&D resources and efficient after-sales service, but the provided information does not independently substantiate the scope or performance of these services. Export activity is reported at 90% of sales, with self-operated import/export rights and exporting experience beginning in 2014. Limited transaction records identify buyers in Ukraine and Vietnam, but they do not establish a broad or well-verified customer portfolio. Evidence is insufficient to assess financial...

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with a stated factory location in Jiashan, Zhejiang, separate from its Hangzhou international sales office. Its product description and operating data indicate direct manufacturing activity, including 10 production lines.

CertificationsThe supplier reports holding ISO 9001 and ISO 14001 management-system certifications. The slices identify the certifications but do not provide certificate numbers, issuing bodies, validity dates, or certified scopes.

After-Sales capabilityThe company explicitly states that it provides efficient after-sales service and describes its products and organization as supported by professional resources. However, no details are provided on service staffing, response times, warranty terms, or service outcomes.

R&D capabilityThe supplier states that it has a professional R&D group, and the profile reports 6–10 years of total R&D engineer experience. This supports the presence of an R&D function, but no patents, new-product records, testing results, or other measurable innovation achievements are provided.

Production capacityThe supplier identifies itself as a specialized manufacturer of weather sealing and passive fire products and reports 10 production lines, 6–10 quality-control staff, and 6–10 R&D engineers. These data provide explicit evidence of established production resources, although capacity utilization and delivery performance are not stated.

Client casesThe records associate the supplier with named buyers in Ukraine and Vietnam, including ТОВ КОВЛАР ГРУП, CÔNG TY TNHH KENTAR, and CÔNG TY CỔ PHẦN TẬP ĐOÀN KỸ NGHỆ GỖ TRƯỜNG THÀNH. Each provided record shows only one transaction, so the evidence confirms limited named buyer activity but does not demonstrate a broad, repeat, or independently verified customer case history.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional manufacturer for passive fire stopping products, acoustic and weather sealing system with more than 15 years' experience.

Q:Do you accept OEM or ODM?

Yes, We are professional in OEM and ODM. Now cooperating with famous brands for OEM & ODM.

Q:What is the payment term?

We prefer T/T, other ways should be confirmed first. For new customer, 30% advanced payment after order confirmation,70% balance payment before shipment.

Q:Could you send me sample before I place an order?

Yes, we offer free samples for your evaluation; you provide the Courier account for freight collect.

Q:What is your delivery time?

7-20 days according to your purchasing quantities.