What materials are used for the coupling?

The main material is Aluminum, with optional materials including Aluminum Alloy.

How are products packaged?

Small quantities or smaller sizes are packaged in cardboard boxes, while bulk orders or larger sizes are packaged in wooden crates.

Coup-Link Ld2 Flexible Double Diaphragm Coupling D20L30 for Construction Machinery & Pumps Steel Coupling-D

Name: Coup-Link Ld2 Flexible Double Diaphragm Coupling D20L30 for Construction Machinery & Pumps Steel Coupling-D
Brand: JULU BINHAO TRANSMISSION EQUIPMENT CO., LTD.
SKU: 2256393305

Hebei, ChinaJULU BINHAO TRANSMISSION EQUIPMENT CO., LTD.

US$2.80-57.00

1 Set

Sample price:US$30.00/set.Request sample

Product profile

Customization

Available

Standard Or Nonstandard

Standard

Shaft Hole

3mm-65mm

Torque

0.5nm-1040nm

Bore Diameter

3mm-65mm Customized

Speed

5000r/Min-18000r/Min

Structure

Flexible

Material

Aluminum

Type

Diaphragm Coupling

Surface

Blackening and Rust Prevention Treatment

Shaft Hole Type

Ordinary Hole, Tapered Hole, Keyway Hole, Gear Hol

Installation Method

Keyway Connection, Clamping Type, Expansion Sleeve

Optional Materials

Aluminum Alloy

Transport Package

Carton or Wooden Crate

Specification

GLF21-GFL55

Trademark

BinHao

Origin

Hebei China

HS Code

8483600090

Production Capacity

3000000

Key features

10 Years R&D Experience: Focused on coupling research and development for over a decade.

High-Speed Resistance: Black oxide layer protects mechanical transmission under high-speed operation.

Zero Rotational Clearance: Accurate inner hole tolerance ensures high concentricity and zero clearance.

Customizable Bore Diameter: Bore diameter is customizable within the range of 3mm to 65mm.

Anti-Buffering Elasticity: High quality polyurethane elastic pad provides good elasticity and anti-buffering.

Easy Disassembly: Simple structure greatly saves labor for disassembly and assembly.

Wear Resistance: Hard enough to resist wear, ensuring long service life.

Large Production Capacity: Annual production capacity of 3 million sets with 160+ CNC equipment.

Company profile

High Repeat Buyers ChoiceLow MOQQuality AssuranceProduction Process Visualization

JULU BINHAO TRANSMISSION EQUIPMENT CO., LTD.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.75h

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company in Xingtai, Hebei, associated with manufacturing-sector companies and offering a broad range of couplings. It reports ISO 9001 certification, five production lines, stated coupling output of 3,000,000 sets, 133 employees, and fewer than five quality-control staff. Customization and ODM services are available, supported by CAD and Photoshop capabilities and 13 R&D patents, but no new products were reported in the past year, no SDK is available, and key R&D documentation is absent. Service governance is weak: no written procedures or records were provided for service assessment, corrective actions, or complaint handling. The supplier has in-stock capacity and self-operated import/export rights, but no overseas warehouse, showroom, or overseas service-country coverage. Financial evidence is limited to referenced years and cannot establish credibility. No customer cases were provided.

CertificationsThe supplier reports holding ISO 9001 certification. The provided information does not include the certificate number, validity period, scope, or issuing body, but it is explicit evidence of a management-system certification.

After-Sales capabilityAfter-sales and service-management controls appear weak because no written procedures or records were provided for service assessment, corrective and preventive actions, or complaint handling. The supplier has in-stock capacity and self-operated import/export rights, but lacks overseas warehouses, overseas showrooms, and overseas service-country coverage.

Production capacityThe supplier reports five production lines, 133 employees, and coupling output of 3,000,000 sets, with in-stock service capacity. However, there is no valid contract between the factory and its related subcontractor, which creates a documented manufacturing-governance deficiency.

Customization capabilityThe supplier explicitly provides customization from designs, full customization, minor customization, flexible customization, and ODM services. Its R&D engineers are responsible for customizing products to customer needs, although the absence of available R&D audit documentation limits verification of the underlying development process.