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.

Durable 5/16 Inch PVC Rubber Twin Welding Gas Hose

Name: Durable 5/16 Inch PVC Rubber Twin Welding Gas Hose
Brand: Qingdao Kingdaflex Industrial Co., Ltd.
SKU: 720219452

Shandong, ChinaQingdao Kingdaflex Industrial Co., Ltd.

Negotiable

2,000 Meters

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Natural Rubber

Capability

Rubber Air Hose

Model NO.

Acetylene Hose

Color

Inner Tube

SBR Blended Black Smooth

Reinforcement

High Tensile Textile Cords

Cover

EPDM/SBR Blended

Temperature Range

-30c - 80c

MOQ

1000m

Application

Conveying Welding Gases

Diameter

1/4"-3/8"

Working Pressure

20bar

Bursting Pressure

60bar

Certificate

ISO9001

Transport Package

Seaworthy Packing

Specification

1/4" - 3/8"

Trademark

OEM

Origin

China

HS Code

40093100

Production Capacity

800000m Per Month

Key features

Durable Twin Hose Design: 5/16 inch PVC rubber twin hose for welding and cutting applications.

Wide Temperature Range: Operates effectively from -20C to +70C (-4F to +158F).

High Pressure Resistance: Working pressure of 20 bar with 60 bar burst pressure rating.

ISO 3821 Certification: Optional ISO 3821 (formerly En559) item code available.

OEM and ODM Services: Full OEM and ODM capabilities with sample production support.

Fast Production Lead Time: Production completed within 20-30 days after deposit payment.

One Year Warranty: One-year guarantee provided on all goods for quality assurance.

Global Shipping Options: Ocean freight or air transportation available from Qingdao/Tianjin.

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: ≤3.11hTerms 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 service?

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.