Do you have quality certificate?

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

Do you test all your goods before delivery?

Yes of course, we have 100% burst pressure test and impulse tests before delivery.

How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

ISO3821 Certification Oxygen and Acetylene Twin Rubber Welding Hose with Fittings

Name: ISO3821 Certification Oxygen and Acetylene Twin Rubber Welding Hose with Fittings
Brand: Hebei Sierda Rubber & Plastic Product Co., Ltd.
SKU: 2138177352

Hebei, ChinaHebei Sierda Rubber & Plastic Product Co., Ltd.

US$0.50-4.00

500 Meters

Sample price:US$1.00/meter.Request sample

Product profile

Customization

Available

Material

Nitrile Rubber

Capability

Oxygen and Acetylene Hose

Model NO.

Twin Welding Hose

Color

Length

100m

Features

Abrasion and Weather Resistant

Temperature

-20℃ to +70℃

Working Pressure

20bar

Burst Pressure

60bar

Transport Package

Woven Fabric

Specification

3/16"~5/16+3/8"

Trademark

Sierdahose or Customized Request

Origin

China

HS Code

39173900

Production Capacity

8000tons/Year

Key features

ISO3821 Certification: Meets ISO3821 standards for oxygen and acetylene twin rubber welding hoses.

High Pressure Resistance: Supports 20 bar working pressure and 60 bar burst pressure for safety.

Weather Resistant Material: Made of nitrile rubber with ozone and weathering resistant outer tube.

Customizable Length: Available in 100m length with custom options for specific requirements.

100% Quality Inspection: Every hose undergoes 100% burst pressure and impulse tests before delivery.

OEM/ODM Service: Supports OEM and ODM services including custom packaging and logo printing.

Professional Manufacturer: Established in 2009 with ISO 9001 and ISO 14001 certifications.

Company profile

Importers and ExportersFast DeliveryR&D CapabilitiesHigh Repeat Buyers Choice

Hebei Sierda Rubber & Plastic Product Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2023-10-17Nearest Port: TIANJIN, QINGDAO, SHANGHAIAverage Response Time: ≤1.46hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryHebei Sierda Rubber & Plastic Product Co., Ltd. is a China-based private limited company identified as both a trading company and manufacturer/factory, offering multiple hose categories. It reports broad export coverage and that exports account for 90% of sales, but has no overseas showroom, agents or branches, and no recorded offline trade-show participation. Service procedures exist for supplier assessment and complaints, but supporting records are absent; corrective and preventive action procedures are also undocumented. Innovation evidence is weak: no new products were launched in the last year, and ODM, branded OEM and SDK capabilities are unavailable. Production information indicates PVC layflat hose output of 4,000,000 square meters, with peak-season lead time of one month and off-season lead time of within 15 working days. Certification, customer cases, quality assurance status and raw-material traceability are not sufficiently evidenced.

Supplier typeThe supplier is identified as a private limited company from China and is classified as both a trading company and manufacturer/factory. Its stated business scope includes rubber and plastic products, while its offered products include several hose types.

After-Sales capabilityThe supplier has a complaint-handling procedure and written service-capability assessment procedures, but no written complaint records, assessment records or corrective/preventive-action procedures or records. It has no overseas showroom, agents or branches and has not participated in offline trade shows.

R&D capabilityThe supplier does not provide ODM, popular-brand OEM or SDK-supported R&D services, and reports no new products launched in the last year. These explicit limitations indicate weak demonstrated innovation capability.

Production capacityThe supplier is identified as a manufacturer/factory and reports PVC layflat hose output of 4,000,000 square meters, with off-season fulfillment within 15 working days and peak-season lead time of one month. The evidence supports established production activity, although the total employee count is six and broader capacity validation is not provided.

Customization capabilityThe supplier explicitly offers full customization, customization from samples and designs, minor customization and flexible customization. This is direct evidence of broad customization options.

Product Q&A

Q:How about your delivery time?

Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:What is your terms of price?

EXW, FOB, CFR, CIF, DDU.

Q:Do you have OEM servie?

Yes, we have OEM and ODM service.

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?

1. T/T 30% in advance, and 70% before delivery or against copy of documents. 2. L/C at sight.