What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What certifications do you hold?

We are certified under ISO9001:2015 and TUV standards, ensuring high quality and reliability.

What are the common applications for these flanges?

They are widely used in water works, shipbuilding, petrochemical, gas, power industries, and general pipe connecting projects.

Large Diameter Weld Neck Forged Flange High Pressure Pipe Fitting Flanges

Name: Large Diameter Weld Neck Forged Flange High Pressure Pipe Fitting Flanges
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2118429975

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

US$1.00

1 Piece

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Slotted

Material

Stainless Steel

Structure

Flanges

Connection

Flanged

Sealing Surface

Manufacturing Way

Forging

Transport Package

Plywood Case/Brandrith

Specification

TUV

Trademark

Origin

China

HS Code

73079100

Production Capacity

15000 Tonnage Per Year

Key features

Extensive Material Range: Carbon, stainless, and alloy steel options including ASTM, DIN, GB, and JIS standards.

Large Diameter Capability: Capable of producing flanges up to 5,000 mm diameter and 30,000 kg weight in one piece.

Comprehensive Standard Coverage: Meets ANSI, ASME, DIN, JIS, BS, EN, GB, and GOST specifications with customization available.

Multiple Flange Types: Offers Weld Neck, Slip On, Blind, Lap Joint, Socket Weld, and Threaded flange types.

Advanced Manufacturing: Utilizes CNC machines, forging, heat treatment, and precision inspection for quality assurance.

OEM and ODM Services: Custom manufacturing available with drawings and specific customer requirements.

Quality Certifications: Certified under ISO9001:2015 and TUV standards for reliable performance.

Flexible Lead Time: Off-season delivery within 15 workdays; peak season delivery within one month.

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: ≤15h 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 these flanges?

We offer carbon steel (ASTM A105, A350), stainless steel (ASTM A182 F304/316), and alloy steel options compliant with various international standards.

Q:What is the maximum size you can produce?

Our factory can produce flanges with diameters up to 5,000 mm and weights up to 30,000 kg in a single forging.

Q:Do you accept custom orders or drawings?

Yes, we provide OEM and ODM services and can manufacture products based on customer drawings and specific requirements.

Q:What standards do your flanges comply with?

Our products comply with ANSI, ASME, DIN, JIS, BS, EN, GB, and GOST standards, including B16.5, B16.47, and JIS B2202.

Q:What is the typical delivery time?

Lead time is within 15 workdays during off-peak seasons and approximately one month during peak seasons.