How about your delivery time?

Generally it will take 25 days for one container.

Do you have quality certificate?

Yes, we have ISO, SGS, CE and related test report.

How long can you guarantee the goods?

We guarantee the goods one year.

What are the key factors to consider when selecting a hydraulic hose?

When choosing a hydraulic hose, consider pressure rating, temperature range, fluid compatibility, size (ID/OD), flexibility, and abrasion resistance. The hose must withstand the system's maximum operating pressure (including surges) and be compatible with the hydraulic fluid to prevent degradation. Environmental factors like UV exposure, extreme temperatures, and abrasion risks also influence selection. Always refer to SAE, EN, or ISO standards for compliance.

How often should hydraulic hoses be inspected and replaced?

Hydraulic hoses should be inspected regularly (at least every 3-6 months) for cracks, leaks, abrasions, bulges, or soft spots. Replace hoses immediately if damage is found or if they exceed the manufacturer's recommended service life (typically 5-7 years). Proactive replacement prevents catastrophic failures, which can lead to downtime, safety hazards, and costly repairs.

Premium Quality 3/8-2 Inch Spiral Reinforced Rubber Hose

Name: Premium Quality 3/8-2 Inch Spiral Reinforced Rubber Hose
Brand: Qingdao Kingdaflex Industrial Co., Ltd.
SKU: 1919578061

Shandong, ChinaQingdao Kingdaflex Industrial Co., Ltd.

Negotiable

200 Meters

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Nitrile Rubber

Capability

Rubber Oil Hose

Model NO.

EN856 4SP / EN856 4SH

Color

Black

Application

Mining

Size

3/8"-2"

Inner Tube

Black, Oil-Resident Synthetic Rubber(Nitrile)

Reinforcement

High Tensile Steel Wire Braided

Cover

Black, Oil, Abrasion and Weather Resistant, Synthe

Temperature Range

-40℃ to +100℃

Length

40m

Sample

Available

Transport Package

Seaworthy Package

Specification

oil resistant synthetic rubber

Trademark

Kingdaflex

Origin

China

HS Code

40092100

Production Capacity

800000 Pieces Per Month

Key features

High Pressure Resistance: Withstands maximum working pressure up to 70-100MPa for safe hydraulic transmission.

Multiple Reinforcement Layers: Available with one, two, four, or six layers of high tensile steel wire braiding.

OEM and ODM Services: Full customization capabilities including production from customer samples and drawings.

Durable Material Composition: Features oil-resistant synthetic rubber inner tube and abrasion/weather resistant cover.

Comprehensive Certifications: Approved by ISO, SGS, CE, DIN, and SAE standards with 100% pre-shipment inspection.

Fast Sample Availability: Samples available free of charge, though freight costs must be covered by the customer.

Experienced Manufacturer: Over 15 years of experience exporting to 30+ countries with professional technical support.

Company profile

High Repeat Buyers ChoiceFull CustomizationQuality AssuranceR&D Capabilities

Qingdao Kingdaflex Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Qingdao, Tianjin, NingboAverage Response Time: ≤3.60hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a Qingdao trading company with extensive export activity, reporting 12 years of export experience and exports representing 90% of total sales. It offers broad customization and ODM services and states that it provides OEM services for well-known brands. Production information indicates substantial industrial and hydraulic hose output, broad international markets, and lead times within 15 workdays in both peak and off-peak periods. Service and quality processes include documented corrective-action and complaint-handling procedures, although finished-product inspection has instructions without written records. Innovation evidence is mixed: the supplier offers design customization and ODM, but reported no new products in the past year, has no SDK, and lacks ERP-based process digitization. Overseas support infrastructure is limited, with no overseas warehouse, showroom, agent, branch, or stated overseas service countries. No explicit certification information is provided.

After-Sales capabilityThe supplier has documented procedures and followed records for complaint handling and corrective/preventive actions, and reports quality assurance. However, it lacks overseas warehouses, showrooms, agents, and branches, limiting demonstrated local overseas support.

R&D capabilityThe supplier offers ODM and multiple design-based customization services, but reports no new products during the past year, no available SDK, and no ERP integration for production, procurement, quality, or logistics digitization. The evidence shows service design capability but limited demonstrated recent innovation and digital maturity.

Production capacityReported output includes 20,000,000 meters of industrial hose and 12,000,000 meters of hydraulic hose, with lead times within 15 workdays in both peak and off-peak periods. The supplier also serves multiple global markets and lists several nearby ports, indicating substantial fulfillment capability.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM and OEM services for well-known brands. This is direct evidence of broad customization capability.

Product Q&A

Q:Who is Kingdaflex?

Kingdaflex is a professional manufacturer and exporter for hydraulic hose, industrial hose and fire sleeve in the market more than 15 years. We have exported to 30 countries with good reputation.

Q:Do you have OEM servie?

Yes, we have OEM and ODM service.

Q:Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings.

Q:What is your sample policy?

Usually the sample is free of charge, but the customers have to pay for the freight charge.

Q:What is your payment term?

T/T 30% as deposit, and 70% before delivery or against copy of documents.