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4" Type B No-Hub Flexible Pipe Coupling, 100PCS
US$0.80-1.001,000 Pieces
4" Type B No-Hub Flexible Pipe Coupling, 100PCS
US$1.00
1,000-4,999 Pieces
US$0.80
5,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
48 HoursWarranty
1 YearsModel NO.
GS03E100Connection
FemaleFlexible or Rigid
FlexibleMaterial
Stainless SteelStandard
StandardProduct Name
Type B No Hub CouplingType
No Hub CouplingCertification
ISO/TUV/BSCI/IATFScope of Application
Pipe ClampTransport Package
Plastic Bag CartonSpecification
4"Trademark
TJBCOrigin
Tianjin ChinaHS Code
732690Production Capacity
10000Key features
Flexible Metal Bellows Design: Constructed with stainless steel metal bellows for flexible or rigid connection applications.
Wide Size Range Availability: Available in sizes from DN40 (1.5') to DN200 (8') to fit various pipe diameters.
Comprehensive OEM/ODM Support: Offers full customization from samples, designs, and minor adjustments with 7 R&D engineers.
Strict Quality Assurance: 100% visual and function inspection by 5 QA inspectors with raw material traceability.
Established Manufacturer: Factory established in 2001 with 227 employees, 12 production lines, and 23 years export experience.
ISO9001 Certified Quality: Management system certified ISO9001:2015 ensuring consistent product quality and standards.
Fast After-Sales Response: Provides 48-hour after-sales service response time for technical support and inquiries.
Flexible Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments for convenience.
Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamSelf-branded
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: 23 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryKainuo is a manufacturing supplier with an integrated industrial chain covering mold processing, product manufacturing, surface treatment, rubber vulcanizing, and screw production. It reports ISO 9001, IATF 16949, ISO 14001, OHSAS 18001, and BSCI-related credentials, as well as documented procedures for service capability, corrective actions, and complaint handling. Production scale is substantial, with stated output of 1 million units per day and extensive facilities. The supplier provides OEM and ODM services and can customize from samples, but no SDK is available and no new products were reported in the past year. Export experience is stated as one year, with no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Financial data is referenced for recent years, but no substantive financial performance information is provided.
Supplier typeKainuo is a manufacturing supplier rather than only a trading company, with an integrated chain covering molds, product manufacturing, surface treatment, rubber vulcanizing, screw production, mechanical components, and mold processing. Its stated business scope also includes mechanical equipment, instruments, meters, and supporting hardware tools.
CertificationsThe supplier reports BSCI approval from TUV, ISO 14001-related certification, OHSAS 18001, ISO 9001:2000, and IATF 16949:2016 automotive-industry certification. These stated certifications provide explicit evidence of quality, environmental, occupational health and safety, social-compliance, and automotive-sector management credentials.
Production capacityKainuo reports a complete production chain, a daily output of 1 million units, and facilities comprising 340,000 square meters of floor space and 250,000 square meters of building area. Its manufacturing scope includes molds, mechanical components, products, surface treatment, rubber vulcanizing, and screws, explicitly supporting substantial production capability.
Customization capabilityThe supplier provides OEM services for well-known brands, ODM services, and customization from samples. These capabilities explicitly support customer-specific product and manufacturing requirements, although no SDK is available.
Product Q&A
Q:What is the warranty period for this coupling?
A:
The product comes with a 1-year warranty.
Q:What materials are used for the coupling?
A:
The coupling is made of stainless steel with a metal bellows structure.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 2000 pieces.
Q:Can I customize the product design or sample?
A:
Yes, we offer OEM and ODM services including customization from samples, designs, full customization, and minor customization.
Q:What are the available sizes for this coupling?
A:
Available sizes range from DN40 (1.5 inches) to DN200 (8 inches).
Send Inquiry
*To:
Tianjin City Kainuo Industrial Company Limited
Tianjin City Kainuo Industrial Company Limited*Content:
0/4000
Supplier replies will be sent to your registered email
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