About us:
1. With 20 years of experience in the industry, Dong Huang Forging Company Ltd., Shanxi now enjoys rich experience and excellent professional reputation. Praises from the clients are not only the driving force behind us, but also the reason why we are your best choice.
2. Here at Dong Huang, we have a team of scientific and technological experts; Together with the latest manufacturing equipment and managerial expertise, we can guarantee the quality of out products in an environmental-friendly manner.
3. Located in Shanxi Province, China's natural coal mine, we enjoy the apparent geographical advantage. Therefore, while granting product quality, our company also has huge competitiveness in terms of price.
4. Decades of development has brought us at Dong Huang, a notion that we do not long for growing bigger and stronger, but for meeting the demand of our clients.
5. For the steady development of our company, Dong Huang has in recent years adopted scientific management, which has not only greatly enhanced the efficiency, but also maximized the benefit for our clients. Meanwhile, scientific management has been introduced in Dong Huang in client management.
Special flanges forged custom flange customization flanges
Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. is located in Dingxiang County, Xinzhou City, Shanxi Province, the hometown of forging in China. Since 2007, it has been focusing on manufacturing and selling various steel flange forgings, and its products are exported to all over the country. More than 100 countries and regions around the world. Dingxiang's complete forging processing industry chain and complete testing equipment support, so that we can almost meet the requirements of various forging products of customers.
1. The modern factory covers an area of more than 20,000 square meters, has more than 30 sets of forging processing and testing equipment, a three-dimensional inspection center, ISO9001:2015 factory system certification, TUV/PED 2014/68/EU pressure vessel manufacturing license, special equipment manufacturing certificate, Member of China Forging Association, member of ASTM International Organization, high-tech enterprise in Dingxiang County, etc.
2. Can produce flanges of various international and domestic standards and custom flanges with drawings: GB, American, ANSI, Japanese, JIS, German, DIN, British, BS, European, EN1092, Russian, GOST, etc.
3. Types of flanges that can be produced: weld neck flange, high neck flange, long high neck flange, threaded flange, loose flange, lap flange, blind flange, flat flange, looper Flanges, orifice flanges, wind power flanges, heat exchanger tube sheets, baffles, pressure vessel nozzles, connectors, etc.;
Forging types: various forging flanges, forging tubes, Tube Sheet, Tube bundle supporting plate, raffles, forging rings, forging rings, forging rods, forging shafts, forging cakes, thick-walled tubes, shafts, wheels, valve bodies, gears, nozzles, modules, oil cylinders, rings, various special-shaped forging, etc.;
Our company's forging series products include
Industrial forgings for civil industries such as machine tool manufacturing, agricultural machinery, farm implement manufacturing and bearing industry;
Shaft segments such as main shaft and intermediate shaft for hydro-generators, forgings for thermal power plants such as rotors, impellers, and retaining ring main shafts;
Forgings for metallurgical machinery such as rolls and gear shafts; forgings for kettle ring, cylinder, cylinder, and axle forging machinery;
Flange series products include pressure vessel flanges, heat exchanger flanges, flat welding flanges, butt welding flanges, non-standard flanges, stainless steel flanges, etc.
Widely used in chemical, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, electric power, aerospace, shipbuilding and other basic projects.
4. Basic size range of processed products as shown in the pictures below;
5. Quality inspection and inspection reports that can be issued by our products: according to the specific requirements of customers, we can issue certificates of conformity, non-destructive testing, 3.1 certificates, 3.2 certificates, mechanical properties, chemical composition, radiographic inspection, certificate of origin, etc.;
6. Standard exportation Package, plywood cases or pallets or iron frame.
7. [Common materials]: Stainless steel: ASTM, A182, F304/304L, F316/316L, F316H, F310, F321, JB4728-2000, OCR18Ni10Ti, JB4728-2000, OCR17NI12Mo2, 2205, 2507, 2103, 904L, 254SMD, 304 , 316LN, 1CR13, 2cr13, 3cr13, 4cr13, 321, 302, W1813N, W2014N, W2018N, W2020N, P550, Cr18Mn18N and other forgings.
Heat-resistant steel: 12CrlMoVG, P11, P22, P91, P92, F92, InconeI740H, CCA617, Sanicro25 alloy and other forgings
Bearing steel: G20CrNiMoA, G2CrNi2MoA, G20Cr2Ni4, GCr15, GCr15SiMn, GCr15SiMo, GCr18Mo, M50, M50NiL, CSS-F42L, Cronidur30 and other forgings
Gear steel: 42CrMo, 20CrNi2Mo, 34CrNi3Mo, 40CrNiMo, 20CrMnMo, 35CrMo, 18CrNiMo7-6 and other forgings.
8. Industries involved: mining equipment: mining equipment, winch equipment, crushing equipment, grinding equipment, washing equipment, sintering equipment.
Petrochemical equipment: manholes and flanges of spherical storage tanks, various tube sheets required for heat exchangers, integrally forged cylinders (pressure vessels) of catalytic cracking reactors with butt welding flanges, cylinders used in hydrogenation reactors Section, the top cover, bottom cover, head, etc. required by the fertilizer equipment are all forgings.
Power machinery, diesel generators, engines, electric machinery;
Mechanical parts such as wind power, nuclear power, marine, weapons, aircraft, etc.;
In line with the enterprise spirit of "integrity, dedication, collaboration, innovation, and people-oriented", the company has been deeply involved in the manufacturing industry with its advanced business philosophy, professional technical support, pragmatic work attitude and meticulous service, and has won the recognition of customers and Market reputation.
If you are interested in our company's products and services, we look forward to your online message or inquiries.
Quality Control:
1. Inspecting apparatus and equipment are tested and supervised by relevant national departments on a regular basis.
2. We conduct physical and chemical inspection to raw materials.
3. All links in production are examined and properly reported.
4. We conduct loading examination to the packaging which should be applicable to rust prevention and shipment.
5. We carry out random inspection to products in the storage.
6. Each step of inspection is recorded in both image and written form.
| Name: |
Shaft;axle;bar |
| Raw material: |
carbon/stainless/alloy steel |
| Min size: |
Ø30x50mm |
| Max size: |
Ø1000x5000mm |
| Min weight: |
0.30kg |
| Max weight: |
20000kg |
| Heat treatment: |
Normalize/Quench/tempering |
Audited Supplier 
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