What is the forging tolerance?

The standard forging tolerance is +/-0.2mm to ensure high precision.

What types of flanges do you manufacture?

We produce Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, and other customized flange types.

Forging Ring Customized Products 1-6m

Name: Forging Ring Customized Products 1-6m
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2100014095

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

US$20.00-2,000.00

1 Piece

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Pressure Casting

Application

Machinery Parts

Material

Steel

Heat Treatment

Normalizing

Surface Treatment

Polishing

Forging Tolerance

+/-0.2mm

Standard

AISI

Certification

ISO 9001:2015

Testing Report

Mtc, Ht, Dimension Report, En 10204 ,3.1

Standards

ASTM A370, API 16A

Lead Time

10-25 Working Days

Materials

Carbon Steel, Stainless Steel, Alloy Steel

Transport Package

Plywood Case

Specification

TUV/ PED 2014/68/EU

Trademark

DHDZ

Origin

China

HS Code

73261910

Production Capacity

1000 Ton/Year

Key features

Extensive Material Range: Carbon, stainless, and alloy steels including 4140, 316L, and C-276.

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

Wide Size Coverage: Forged rings and flanges available from 1/2 inch to 100 inches.

Multiple Flange Types: Includes Weld Neck, Slip On, Blind, Threaded, and Lap Joint flanges.

High Precision Tolerance: Forging tolerance maintained at +/-0.2mm for high accuracy.

ISO 9001:2015 Certified: Manufacturing process certified with ISO 9001:2015 and TUV.

Custom Testing Reports: Provides MTC, HT, Dimension Reports, and EN 10204 3.1 certificates.

20 Years Experience: Nearly 20 years of manufacturing experience serving global markets.

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: ≤3.16h 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.