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Steel Finger Comb Plate Bridge Expansion Joint for Large Displacement Highway
US$20.00-220.00
10 Sets
Sample price:US$30.00/set.Request sample
Product profile
Customization
AvailableAfter-sales Service
Installation GuideWarranty
2 Years After Leaving The FactoryModel NO.
JT-ZMF-80Certification
DIN, JIS, GB, BS, ASTM, AISIFunction
Sound Insulation, Drainage, Protect, SupportPosition
Upper StructureType
Telescopic DeviceProduct Type
Steel Finger/Comb Plate Cantilever Expansion JointModel No.
150mm, 200mm, 250mm Modular Expansion JointSize
According to Customer NeedsUse
Bridge and RoadMaterial
High-Strength Aluminum AlloyDisplacement Capacity
20mm~480mm (Customizable)MOQ
10 PiecesTransport Package
on The Pallet with PE FilmSpecification
ZMFTrademark
HengJingGongOrigin
Made in ChinaHS Code
7308900000Production Capacity
10000 Sets / MonthKey features
Wide Movement Range: Handles expansion movements from 80 mm to 1,200 mm effectively.
Noise Reduction Design: Finger orientation aligns with vehicle travel to reduce noise and improve comfort.
Integrated Drainage: Features a drainage channel to direct rainwater into the bridge system.
Professional Installation Support: Provides detailed installation guides for seamless setup.
Durable Construction: Composed of steel finger plates, CR sheets, and anchor bolts for longevity.
Company profile
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: 10 Years CertifiedNearest Port: Tianjin Port,Qingdao PortAverage Response Time: ≤5.76h
AI-Powered supplier vetting
SummaryThe supplier is identified as a factory and limited company with associated companies, offering a broad range of bridge, rubber, sealing, and customized products. It reports 10 production lines, defined product output, six to ten quality-control staff, and export experience of 10 years, with exports representing 41%–50% of total sales. The supplier provides extensive customization and ODM services and reports new products during the past year. However, no supplier-management-system certification is reported, and its service-capability procedures lack written records for assessment and corrective/preventive actions. Complaint handling has a clear procedure with follow-up records. The supplier has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial credibility cannot be assessed from the available non-financial information.
Supplier typeThe supplier is explicitly classified as a factory and limited company, with associated companies and manufacturing as the industry of those companies. This supports direct manufacturing status rather than a trading-only profile.
CertificationsThe supplier-management-system certification field is explicitly reported as NIL. No certification evidence is provided for this field, indicating a stated lack of supplier-management-system certification.
After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with follow-up records, which is positive evidence for after-sales issue management. However, assessment and corrective/preventive-action procedures have no records, so the service system is only partially documented.
R&D capabilityThe supplier reports new products during the past year and provides ODM services, indicating active product-development capability. However, it reports no available SDK, which limits evidence of software-development or integration capability.
Production capacityThe supplier is a factory operating 10 production lines, with six to ten quality-control staff and stated output across rubber culvert balloons, seismic isolation bearings, waterstops, and expansion joints. It also reports inspection instructions that are uniformly followed, supporting established production and quality-control operations.
Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, including made-to-order products with complex profiles and different materials. It also provides ODM services, demonstrating broad customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one customer-case category. No customer names, project details, volumes, or independently verifiable case documentation are provided.
Product Q&A
Q:Q1: What is a finger type expansion joint?
A:
A: It is a steel joint with interlocking comb teeth that bridge the deck gap and slide over each other as the deck moves.
Q:Q2: What movement range does it handle?
A:
A: The comb type covers 80-360 mm, with standard, medium, and wide grades for different span lengths.
Q:Q3: How do the teeth work?
A:
A: Fixed and sliding tooth plates mesh alternately; the sliding plate travels over the fixed plate as the deck expands and contracts.
Q:Q4: What temperature range does it handle?
A:
A: Service temperature is -40 Celsius to +80 Celsius, covering cold and hot climates.
Q:Q5: Are finger joints noisy?
A:
A: Steel-to-steel contact creates a mild hum; optional damping inserts reduce impact noise for residential areas.
Send Inquiry
*To:
Hengshui Jingtong Rubber Co., Ltd.
Hengshui Jingtong Rubber Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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