Is the 60.4km specification in stock? Are there other specifications?

Yes, the 60.4km specification is available. We also offer standard lengths of 40.8km, 50.4km, and customizable lengths up to 100km.

Can the price be lower?

Price trends suggest increases by 2026. To secure a favorable rate, consider purchasing now. Opting for non-standard fibers may reduce the price by 20%. If non-standard optical fiber is acceptable, the price can be reduced by 20%.

What is your monthly production capacity?

For readily available products, we supply about 100,000 cores biweekly. Should your demand exceed 1 million cores, please arrange to discuss an annual order with our sales team. Pricing for future orders aligns with spot pricing according to brand.

Do you have relevant certifications?

We proudly hold ISO, environmental, and CE certifications. For customized requirements, we can apply for additional certifications as needed.

Do you provide DDP price terms?

Certainly, we are well-versed in DDP terms, ensuring seamless delivery to your destination port (covering regions like Poland, Bulgaria, Germany, etc.). Our freight rates are competitive; please contact our sales team for detailed quotations.

High Tensile Strength Durable G. 657. A1 G. 657. A2 Singlemode Optical Fiber

Name: High Tensile Strength Durable G. 657. A1 G. 657. A2 Singlemode Optical Fiber
Brand: Ningbo Fibconet Communication Technology Co., Ltd.
SKU: 2279921795

Zhejiang, ChinaNingbo Fibconet Communication Technology Co., Ltd.

US$43.27

100-999 km

US$42.38

1,000-9,999 km

US$40.52

10,000+ km

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Application

Communication

Type

Single-mode Fiber

Model NO.

G. 657. B3

Connection Structure

Material Shape

Round Wire

Allowed Lateral Pressure

100(N/100mm)<1000(N/100mm)

Allowed Tensile Strength

100N<1000N

Core

Single Core

Certification

RoHS, CE, ISO9001, CCC

Brand

OEM

Sheath Material

Optical Fiber

Product Name

0.26mm

Fiber Waveleng

0.245±0.01

Fiber Tension

0.69 Gpa (100 Kpsi)

Fiber Optic Roll Length

50.4 Km/Roll

Transport Package

Plastic Drum

Specification

50.4 km/roll

Trademark

FIBCONET

Origin

Ningbo, China

HS Code

9001100001

Production Capacity

10 Million Cores/Year

Key features

Ultra-Bend Resistant: G.657.B3 fiber withstands tight bending radii as small as 5mm for demanding environments.

High Tensile Strength: Durable construction ensures resilience under high tension and lateral pressure conditions.

FTTH Optimized: Precisely optimized refractive index profile makes it ideal for Fiber-to-the-Home applications.

Multiple Certifications: Complies with RoHS, CE, ISO9001, and CCC standards for global market access.

Customizable Lengths: Offers standard lengths (40.8km, 50.4km) and customizable options up to 100km.

Stable B3 Performance: Consistently meets all B3 standard requirements with no essential specification differences.

Competitive Pricing: Non-standard fibers can reduce prices by 20%; spot pricing available for future orders.

DDP Delivery Support: Supports DDP terms with competitive freight rates to destinations like Poland and Germany.

Company profile

Experienced TeamQA/QC InspectorsR&D CapabilitiesStandardized Supplier Management

Ningbo Fibconet Communication Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2017-05-18Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤5.12hTerms 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

SummaryThe supplier operates in optical communication, electronic, network equipment, fiber, cable, and related product sales, with three production lines and stated outputs for connectors and PLC splitters. It exports through agents and self-operated import/export rights, serving markets across multiple regions, and has four years of export experience. Customization is available from samples, designs, and minor or flexible requirements. Service procedures, corrective actions, complaint handling, and ERP-based process management are documented. However, the supplier has no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no ODM, SDK, 3D design, or recent new-product development capability, and does not provide OEM services for popular brands. The evidence does not establish certifications, financial strength, or customer cases.

Supplier typeThe supplier’s stated business scope covers optical communication equipment, optoelectronic devices, optical fiber, electronic and network equipment, metal products, and wire and cable. It operates three production lines and reports production of connectors and PLC splitters, supporting classification as a manufacturer and supplier in the communications-related product sector.

After-Sales capabilityThe supplier has written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaint handling. However, it lacks overseas warehouse and showroom capabilities, so the evidence supports structured service processes but not comprehensive overseas service infrastructure.

R&D capabilityThe supplier has no available SDK, no 3D software design service, no ODM service, and reported no new products in the past year. ERP integration is established, but the sustainable-development and technical-transformation entries are recorded as zero, indicating limited demonstrated innovation capability.

Production capacityThe supplier operates three production lines, reports output for connectors and PLC splitters, has inventory capacity, and states a one-month average lead time in both peak and off-season periods. Capability controls have weaknesses: there is no valid contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, and flexible customization. These capabilities are supported by design services, although the supplier does not provide 3D software design or ODM services.

Product Q&A

Q:What is the difference in tensile strength between B3 bare fiber and A1, A2 optical fibers?

The tensile strength is consistently 60N across all.

Q:What are the differences between different brands of B3 optical fibers?

Our B3 optical fibers boast stable performance, consistently meeting all B3 standard requirements.

Q:What is the packaging specification per spool of B3 bare fiber?

Each spool is packaged with dimensions of 40*35*30cm, weighing 4.5KG.

Q:What are the application scenarios of B3 series optical fibers?

B3 series optical fibers are ideal for environments with limited space and scenarios that demand repeated bending, such as high-density data center cabling, invisible optical cables, and drone cables.

Q:Is there an essential difference in the specifications of different brands of B3 bare fibers?

We advocate for top-brand B3 bare fibers. All products comply with B3 standards, and critical indicators like bending rate are standard-compliant, showing no essential specification differences between brands.