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Product profile
Customization
AvailableApplication
Indoor, Outdoor, Fire Widows and DoorsCertification
CE, ISOModel NO.
BY-NFS2015Material
Expandable GraphiteExpansion
15-30 TimesAdvantage
Soundproof Smoke and Fire PreventionPackage
25m/RollMOQ
2000mTransport Package
25m/RollSpecification
30x2.0mmTrademark
BYOrigin
ZhejiangHS Code
3926909090Production Capacity
50000000mKey features
High Expansion Ratio: Expands 15-30 times to effectively seal gaps against fire and smoke.
Durable Material: Made of expandable graphite, unaffected by moisture and chemicals.
Easy Installation: Features good quality adhesive tape and is easy to cut for fitting.
Multi-Color Options: Available in Red, White, Black, Brown, or customized colors.
Versatile Application: Suitable for timber doors, steel frames, and various fire assemblies.
Certified Quality: Obtains CE and ISO certifications for integrity and insulation.
Customizable Sizes: Offers popular sizes like 10x2.0mm to 60x2.0mm or custom dimensions.
Fast Delivery: Standard delivery within 7-10 days after order confirmation.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤9.90hTerms 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 China-based manufacturer/factory with production in Jiaxing, Zhejiang, specializing in weather sealing and passive fire protection products. It reports ISO 9001 and ISO 14001 management-system certifications, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier states that 90% of sales are exports, has self-operated import/export rights, and began exporting in 2014. Its stated product range covers fire, smoke, acoustic, TPE, silicone, and PVC sealing products. The available trade records show limited transaction evidence, with one transaction associated with each listed buyer record; therefore, customer-case depth and financial credibility cannot be fully assessed. After-sales service and product customization are mentioned or implied only partially and lack sufficient detail for a definitive evaluation.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, with an international sales office in Hangzhou and a factory in Jiashan, Jiaxing, Zhejiang. Its stated business focuses on manufacturing weather-sealing and passive-fire products, supported by 10 production lines.
CertificationsThe supplier reports holding ISO 9001 and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although the slices do not provide certificate numbers, issuing bodies, or validity dates.
After-Sales capabilityThe company states that it provides efficient after-sales service and has professional R&D resources and high-quality products. However, no specific service scope, response process, support locations, warranty terms, or service-performance evidence is provided.
R&D capabilityThe supplier states that it has a professional R&D group, and the reported total experience of its R&D engineers is 6–10 years. This supports the existence of an experienced R&D function, but the slices do not document patents, new-product launches, proprietary technologies, or measurable innovation outcomes.
Production capacityThe supplier identifies itself as a manufacturer and reports 10 production lines, 6–10 quality-control staff, and a factory location in Jiaxing, Zhejiang. These facts provide explicit evidence of established production infrastructure and quality-control staffing.
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
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