Since 1999,DHDZ forgings (Shanxi Donghuang Wind Power Flange Manufacturing Co.,Ltd)designs and manufactures flanges & forgings that deliver maximum efficiency, durability and reliability for the Oil & Gas industry as well as a wide range of industrial applications, including machinery manufacturing, petrochemicals, and Pipelines and Marine forging industry.
We've been founding new department of finishing machining with the leading technology to meet the different customers. We are proud to be a part of forging business, which delivers qualified forgings & flanges to customers the world over.
DHDZ China are manufacturer of the High Quality Steel Flanges and Forgings based on different standards: ASME, JIS, BS, ISO, DIN, EN, SABs etc.

Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.
Forgings covers Blocks, Disks, Rings, Cylinders, Shafts, Tubes, Bars, other Customized forgings, etc..
Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;
International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.
Standardization and Customization are both our advantages.
Certificate: ISO system, PED certificates, TUV certified.
Nearly 20 years experience;
clients from more than 15 Countries in EU, USA, Gulf area, UK, South America, AU, Asia, etc..