Powered by Made-in-China.com
Surface Mounted Acoustic Drop Seals Adds-H
US$11.00
200 Pieces
Product profile
Customization
AvailableMaterial
Alu,SiliconMin / Max Gap
3-13mmModel NO.
BY-ADDS-USeal Color
Black,GreySuface Finish
Aluminium Anodised 15 MicronsLocation
Install on The Bottom of Single or Double DoorsFuntion
Prevents Fire or Smoke Spreading Across Various FiAdvantage
Soundproof Smoke and Fire PreventionTransport Package
30PC/CartonSpecification
380-1200mmTrademark
BYOrigin
ZhejiangHS Code
7610900000Production Capacity
5000PCKey features
Fire and Smoke Prevention: Prevents fire or smoke spreading across various fire compartments effectively.
Soundproof Performance: Provides excellent soundproofing for doors while sealing gaps.
Customizable Gap Size: Accommodates gap sizes ranging from 3mm to 13mm for flexible installation.
Multiple Color Options: Available in Black and Grey colors to match different aesthetic requirements.
OEM and Customization Service: Customize products according to customer drawings or samples.
Aluminum Anodized Finish: Features a durable Aluminium Anodised 15 Microns surface finish.
Versatile Installation: Designed to be installed on the bottom of single or double doors.
20+ Years Experience: Manufacturer with over 20 years of experience in door and window seals.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤10.66hTerms 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?
A:
We are an International trading company also is a professional door and windows seal,fire and acoustic seal products manufacturer with more than 20 years experience for domestic and International market.
Q:What is payment method?
A:
For samples: T/T, western union. For orders: We prefer T/T, other ways should be confirmed first. For new customer,30% advanced payment before producing ,70% before delivering usually.
Q:Do you offer free samples?
A:
Free samples are available .
Q:Do you offer OEM service and can you product as our drawings?
A:
Yes, we can customize according to your drawing or make drawing according to sample as your requirement.
Q:Do you accept our design on boxes?
A:
Yes. We accept.
Send Inquiry
*To:
Hangzhou Biyou Building Materials Technology Co., Ltd.
Hangzhou Biyou Building Materials Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Surface Mounted Drop Down Smoke Seal Acoustic Automatic Door Bottom Silicon Seal
US$6.50-10.50
1,000 Pieces(MOQ)
Surface Mounted Automatic Drop Door Seal Acoustic Door Seal
US$6.50-10.50
1,000 Pieces(MOQ)
Surface Mounted Automatic Door Bottom Aluminium Door Drop Seal Strip Metal Sweep
US$12.80-13.80
100 Pieces(MOQ)
Concealed Slimline Drop Seal for Wooden Doors - Surface Mounted
US$6.50-10.50
1,000 Pieces(MOQ)
Surface Automatic Door Drop Seal Acoustic Seal Door Bottom Seal
US$6.50-10.50
1,000 Pieces(MOQ)
High Quality Surface Mounted Automatic Aluminum Rubber Concealed Door Bottom Drop Seal
US$7.90-8.90
200 Pieces(MOQ)
Modern Aluminum Door Seal Surface Mounted Automatic Door Bottom Drop Down Seal
US$8.80-9.80
100 Pieces(MOQ)
Easy Install Surface Mounted Automatic Drop Door Seal Acoustic Door Seal
US$15.00-17.00
500 Sets(MOQ)
Fire and Acoustic Door Drop Seal Concealed Automatic Aluminium Door Bottom Seal
US$5.80-6.30
100 Pieces(MOQ)
Surface Automatic Door Drop Seal Acoustic Seal Door Bottom Seal/Surface Mounted Automatic Door Seals
US$9.00-10.00
300 Sets(MOQ)
Copper Head Aluminum Alloy Acoustic Door Bottom Seal
US$10.06-13.42
1 PC(MOQ)
Single or Double Sliding Door Bottom Nylon Brush Strip Seal
US$7.90-8.90
200 Pieces(MOQ)
Adds-Z Acoustic Drop Door Seal Door Bottom Seal Surface Model
US$16.00
300 Sets(MOQ)
Self-Adhesive Clear Plastic L-Seal for Bypassing Shower Sliders
US$0.90-1.00
300 Meters(MOQ)
Acoustic Bottom Seal Automatic Surface Mouting Seal
US$10.00-15.00
500 Sets(MOQ)
Free Sample PVC Bathroom Shower Seal Strip
US$0.60-1.10
500 Meters(MOQ)
Door Hardware Accessories Aluminium Automatic Door Bottom Seal Weather Strip
US$7.90-8.90
200 Pieces(MOQ)


















