Q6: What certifications do you provide?

ISO 9001/14001/45001 certified, manufactured under strict quality control with burst-pressure testing for every batch.

Q7: What surface finish does it leave and does it leak air during use?

Smooth inner cavity finish; multi-layer vulcanized construction ensures zero air leakage within rated working pressure.

Rubber Inflatable Culvert Balloon for Bridge Construction Inflatable Mandrel Airbag

Name: Rubber Inflatable Culvert Balloon for Bridge Construction Inflatable Mandrel Airbag
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 1977468445

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$200.00

5-9 Sets

US$150.00

10+ Sets

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Condition

Used

Certification

ISO9001, TUV, GMP, ISO, CE

Model NO.

All types

Usage

Tunnel, Bridge, Culvert

Material

Natural Rubber

Shape

Oval

Color

Black

Layer Number

3 Laryers.

Business Type

Factory

Length

Customized

Materials

57% Natural Rubber

Transport Package

on The Pallet with PE Film

Specification

Diamention: 900mm * 12m

Trademark

HengJingGong

Origin

Made in China

HS Code

4016950090

Production Capacity

10000 Sets / Month

Key features

Inflate for shaping and supporting, resist pressure and collapse, ensure neat and stable culvert construction.

Solve complex formwork, difficult demoulding and irregular shaping. Flexible body fits inner wall for easy construction.

Good air tightness and stable pressure resistance, tear and wear resistant, reusable for many times.

Widely used in culvert, pipe culvert and tunnel pouring. Improve efficiency and save labor and materials.

Lighter weight, faster assembly and wider adaptability than traditional molds, with better shaping effect and higher cost performance.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded

Hengshui Jingtong Rubber Co., Ltd.

Hebei, China

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: ≤5.05h

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.