What is the warranty period?

Warranty is Half a Year, according to the contract.

What are the available customization options?

We offer customization from samples, full customization, and flexible customization. Color can be White or Blue, and coil weight is customized.

What are your main products?

Our main products include Steel Strip, Cold Rolled Steel Strip, Heat Treatment Steel Strip, Steel Sheet, Steel Coil, Carbon Steel Strip, Spring Steel, and Bearing Steel.

Polished Tempered and Hardened 65Mn SK5 Spring Steel Sheet for Rolling Shutter Door Springs

Name: Polished Tempered and Hardened 65Mn SK5 Spring Steel Sheet for Rolling Shutter Door Springs
Brand: Dongyang Hengye Steel Strip Co., Ltd.
SKU: 2148345195

Zhejiang, ChinaDongyang Hengye Steel Strip Co., Ltd.

US$720.00-3,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

According to The Contract

Warranty

Half a Year

Model NO.

Cold rolled steel strip

Standard

ASTM, JIS, GB, AISI, DIN

Certification

ISO, IATF16949

Surface Treatment

Polished

Technique

Hardened and Tempered

Application

Rolling Shutter Door Springs

Edge

Heat Treatment

Stock

Not Stock

Color

White or Blue

Coil Wheight

Customized

Surface Standard

DIN 1624/ DIN En 10139

Nature of Business

Integration of Industry and Trade

Transport Package

Wrapping Film+Anti-Rust Paper+Iron Pallet

Specification

Customized

Trademark

HengYe

Origin

Dongyang

HS Code

7211290000

Production Capacity

80000tons/Year

Key features

High-Quality Material: Made from Polished Tempered and Hardened 65Mn SK5 Spring Steel.

Wide Size Range: Thickness 0.4-5mm, Width 10-650mm, Customized lengths available.

Customizable Surface: Surface can be Polished or Customized according to requirements.

Customizable Coil Weight: Coil weight is fully customized to fit specific needs.

Strict Quality Control: 100% self-inspection before packing with ISO and IATF16949 certification.

Experienced Manufacturer: Over 20 years of experience in steel business with 50,000 tons annual capacity.

Fast Response Time: Email replies within 8 hours and 24/7 online service available.

Flexible Customization: Offers full customization and flexible customization from samples.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceQuality AssuranceManagement Certification

Dongyang Hengye Steel Strip Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Full Customization, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Ningbo/Shanghai PortAverage Response Time: ≤2.06h

AI-Powered supplier vetting

SummaryDongyang Hengye Steel Strip Co., Ltd. is a China-based limited company established in 2008 with 140 employees and six production lines. It reports annual steel strip productivity of 60,000 tons and has valid import/export licensing, 15 years of export experience, and OEM/ODM capabilities. Customization is available from samples, through full and flexible customization. However, documented management evidence is incomplete: several service, complaint-handling, corrective-action, and finished-product inspection procedures reportedly lack records. The supplier has no overseas warehouses, showrooms, agents or branches, and no offline trade-show participation. R&D evidence is limited, with one year of engineer experience reported and no new products in the past year; it also has no available SDK. Certification information is recorded only as “Others,” without a named certification. Financial records are indicated for 2021–2023, but no assessable financial figures are provided.

Supplier typeThe supplier is a China-based limited company, Dongyang Hengye Steel Strip Co., Ltd., established in 2008 and reported as having no affiliated company or larger group relationship. It has 140 employees and valid import/export licensing.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective actions, and complaint handling, but no written records; its approved-supplier list also lacks approval signatures or dates. It has no overseas warehouse, showroom, agent, branch, or offline trade-show experience, while stated service coverage is zero countries.

R&D capabilityThe supplier provides ODM services and customization through R&D, but reports no new products in the past year, no available SDK, and only one year of total R&D engineer experience. The evidence indicates limited demonstrated innovation depth despite design-service availability.

Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and annual steel strip productivity of 60,000 tons. Its 140-person workforce, 15 years of export experience, and valid export license further support established operating capability.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, and flexible customization, and also provides ODM services. These statements directly support broad customization capability.

Product Q&A

Q:How many countries have you exported to?

Our main business is currently domestic. We plan to conduct international business and enhance international brand awareness. We have already exported to several countries like Iran, Pakistan, India, Japan, Russia, Saudi Arabia, Brazil, etc.

Q:How long will it take to execute my order?

Our normal time to execute the order is 20-30 working days. We will feedback estimated lead time after advance payment ASAP.

Q:Can I get a sample for testing?

Free samples are available, you just need to pay the freight.

Q:Do you have inspection for the products before packing?

100% self-inspection for the products, we put the quality as our first priority.

Q:Can I visit your factory before the order?

Sure, welcome to visit our factory.