What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What heat treatment options are provided?

Heat treatment options include Normalizing, Quenching, Tempering, Annealing, and Quenching & High Temperature Tempering.

What is the forging tolerance?

The forging tolerance is maintained at +/-0.1mm.

ISO 9001 Manufacturer Stainless Steel Ring Forging

Name: ISO 9001 Manufacturer Stainless Steel Ring Forging
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 707907195

Shanghai, ChinaShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

US$1.00

1 Piece

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Pressure Casting

Application

Machinery Parts

Material

Heat Treatment

Quenching

Surface Treatment

Polishing

Forging Tolerance

+/-0.1mm

Certification

ISO 9001:2015

Transport Package

Plywood Case/Brandrith

Specification

TUV

Trademark

Origin

China

HS Code

73261910

Production Capacity

50000 Tons a Year

Key features

Wide Material Selection: Available in 4130, 4140, 4317, 4142, 4340, UNS440, and other alloy steels.

Dual Certification: Certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440 standards.

Large Size Capacity: Max size up to 5000mm diameter and 9000kg weight for rings.

Precision Tolerance: Forging tolerance maintained at +/-0.1mm for high precision parts.

Custom OEM/ODM: OEM and ODM services available for customized forging needs.

ISO 9001 Manufacturer: Manufactured under ISO 9001:2015 quality management system.

Versatile Applications: Suitable for machinery parts, flanges, gears, and slewing bearings.

Heat Treatment Options: Options include Normalizing, Quenching, Tempering, and Annealing.

Company profile

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2001-06-01 CertifiedNearest Port: Tianjin Port, Shanghai Port, Qingdao PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. is identified as a Chinese manufacturer of steel flanges and forgings, with operations associated with Dingxiang, Shanxi, and a Shanghai head office. The supplier reports ISO9001:2015, PED, and TUV-related certifications, five production lines, 6–10 quality-control staff, and annual steel forging and flange productivity of 5,000 tons. It offers standardized and customized products, including multiple flange types, rings, shafts, blocks, disks, and other forgings. Export activity reportedly began in 2001, with exports representing 41%–50% of sales and customers in more than 15 countries. Evidence supports production, certification, customization, and international customer experience. However, after-sales capability is only described as an intended quality-related process, innovation evidence is limited to one year of total R&D engineer experience, and financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier is described both as a trading company and as a manufacturer. Its formal entity information identifies Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. as a manufacturer, while its business description states that it manufactures and exports flanges and forgings in China.

CertificationsThe supplier reports an ISO9001:2015 certificate and states that it holds ISO-system, PED, and TUV certifications. Its stated compliance scope includes processes, materials, testing, storage, delivery, and after-sales service, although the specific validity and coverage of each certificate are not provided.

Production capacityThe supplier reports five production lines, 6–10 quality-control staff, 60 employees, and annual production of 5,000 tons of steel forgings and flanges. Its product scope includes large flanges, rings, square forgings, shafts, and related components, supporting a demonstrated manufacturing capability.

Customization capabilityThe supplier explicitly identifies standardization and customization as advantages and lists customized flanges and forgings among its offerings. The product range includes multiple flange configurations and forging forms, directly supporting customization capability.

Client casesThe supplier states that it serves clients in more than 15 countries across the EU, USA, Gulf area, UK, South America, Australia, and Asia, and reports export activity beginning in 2001. The provided trade information also identifies a Ukraine-related buyer record registered in June 2025, although detailed project references or customer performance evidence are not supplied.

Product Q&A

Q:What materials are available for the stainless steel ring forging?

Materials include 4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo, 25Cr2Ni4MOV, 18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 9Cr3Mo, 60CrMoV, and other carbon/stainless/alloy steels.

Q:What is the maximum size and weight capacity for the forged rings?

The maximum size for rings is up to 5000mm diameter x 4500mm width x 300mm thickness, with a maximum weight of 9000kg.

Q:Are OEM and ODM services available?

Yes, both OEM and ODM services are available to meet specific customer requirements.

Q:What certifications does the product hold?

The product is dual certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440, and the manufacturer is ISO 9001:2015 certified.

Q:What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.