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Hardened Hard Chrome Plated Round Steel Honed Tube

Name: Hardened Hard Chrome Plated Round Steel Honed Tube
Brand: Qingzhou Dooharvest International Co., Ltd.
SKU: 799262592

Shandong, ChinaQingzhou Dooharvest International Co., Ltd.

US$1,200.00-1,400.00

1 Ton

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

One Year

Model NO.

DH-01

Type

Seamless

Technique

Cold Drawn

Material

Carbon Steel, St52, E355, Sktm13c, C20

Surface Treatment

Oiled

Usage

Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Mining

Section Shape

Round

ID Range

26-800mm

Straightness

0.5/1000mm

Roughness

Ra <= 0.2u

Roundness

Half of The Tolerance ISO F7

Diameter Tolerance

ISO F7/H8/G6

Certificate

ISO9001

Condition

New

Brand Name

Dunhe

Diameter

6-500mm

Keyword

Piston Rod,Hard Chrome Rod

Packing

Standard Sea-Worthy Packing

Transport Package

Wooden Case, Container

Specification

20GP, 40HQ

Trademark

HYDSTEELS

Origin

Wuxi, China

HS Code

8483109000

Production Capacity

20000tons/Year

Key features

Professional Manufacturer: Established in 2004, one of the biggest honed tube and chrome rod manufacturers in China with 15+ years experience.

High Precision Surface: Honing process ensures ID roughness Ra 0.4 micron (max) and tight dimensional precision for hydraulic cylinders.

Wide Material Selection: Available in Carbon Steel, St52, E355, Sktm13c, C20, and various grades like 20#, 45#, Q345B, 42CrMo.

Certified Quality: ISO9001, SGS, BV, and CNAS certified factory with 100% inspection for every product in each processing step.

Customizable Dimensions: Custom ID range 26-800mm, diameter 6-500mm, straightness 0.5/1000mm, and roundness half of ISO F7 tolerance.

Multiple Surface Treatments: Options include Oiled, BK, BKW, BKS, GBK, NBK, Q+T, +C, +LC, +SR, +A, +N, and Cold drawn conditions.

Global Market Coverage: Exporting to 20+ countries including Russia, Argentina, South Africa, Vietnam, India, and Middle East markets.

Fast Delivery Service: Stock items sent within 20 days; non-stock items delivered within 30-45 days with 7*24 customer service.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Qingzhou Dooharvest International Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-01-01Nearest Port: Shanghai, Qingdao, TianjinAverage Response Time: ≤8.45hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical manufacturer specializing in honed tubes, chrome-plated rods, and related hydraulic components. It reports more than 15 years of industry experience, customers in 40 countries, export sales representing 90% of total sales, and annual capacity of 15,000 tons of honed tubes and 5,000 tons of hard chrome-plated piston rods. The supplier offers broad customization, 3D software design, ODM, and OEM services, and holds ISO 9001 certification. However, the evidence also shows no in-stock, overseas warehouse, showroom, agent, or branch capability; no participation in offline trade shows; no new products reported in the past year; no available SDK; and no ERP-based operational integration. Service procedures exist for supplier assessment, corrective actions, and complaints, but written records are absent. Financial credibility cannot be confirmed because the slices only identify financial-information years, not financial results or performance.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and presents itself as a manufacturer focused on honed tubes, chrome rods, piston rods, and related hydraulic products. Its reported 15+ years of specialization and production facilities covering all processing support classification as a specialized industrial manufacturer.

CertificationsThe supplier reports certification of its management system under ISO 9001. This is explicit evidence of holding a recognized quality-management certification, although no additional certifications are provided.

Production capacityThe supplier reports annual capacity of 15,000 tons for honed tubes and 5,000 tons for hard chrome-plated piston rods, facilities covering all processing, rich stock, and 100% inspection during processing. These explicit capacity and quality-control claims support substantial production capability, although the separate statement of no in-stock service capacity limits conclusions about ready-stock fulfillment.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization. It also offers 3D software design and ODM services, demonstrating broad product and design customization coverage.

Client casesThe supplier states that its products and services have gained recognition from clients in 40 countries and that it provides OEM services for popular brands. These claims indicate international customer exposure and brand-related experience, but no named customers, project details, or independently documented cases are supplied.