Jiangsu Rongcheng  Forgings Co.,Ltd
International Trading Department:
Contact:   Bill Keh
Tel:        0086 512 58519806
Fax:        0086 512 58519801
Mobile:  0086 159 5095 8397
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Flanges for wind towers up to 5,000 mm in diameter

China wind tubular tower flange manufacturer.

Rongcheng Ring Forgings Co.,Ltd has been producing rings, blanks and flanges with a diameter of up to 5,000 mm in Zhangjiagang,only 150KM to China's biggest exporting port Shanghai.


The fields of application for our products are wind turbine tower flange, chemical plants, shipbuilding, mechanical engineering as well as the food industry.


Our wind tower flange is made from forged flanges, with material: S355 K2 + N, S355 NL, Q345E, 50Mn,16Mn and etc.


Normally we manufacture flanges according to your drawings.


Ultrasonic test according to EN10164, EN 10228-3 and etc. Good quality,reasonable price,100% on-time delivery.


Huaerdong is always ready to support your needs. Give me your drawings, we would be happy to support you.



Dimension:    Outside diameter up to 4800mm

                       Inside  diameter up to 4600mm

                       Thickness up to 400mm

Material    :     S355NL Z25, S355JR, Q345E, S355J2 with LF+VD process

Process   :     Forging + Ring Rolling+ heat treatment (N)+final machining

Test and certificate :   According to customer’s requirements.


Normally we offered:  1. Raw material certificate (material chemical composition)

                                              2. Heat treatment sheet report

                                              3. Dimension inspection report

                                              4. UT test report


Package          :         Seaworthy plywood packged on steel pallets  as customer's request


Delivery Status:        Final machining according to customer’s drawings.

                                    Rough machining products are also available.

Delivery Date :          Decided by the amount and dimensions of wind tower flanges.

Usually we control the large diameter flanges' delivery time within 5 weeks after we receive your formal order


Third party inspection: besides our in-house inspection, you could also choose a third party inspection.



7000 Ton Hydraulic Press gives Rongcheng to have enough ability to offer large diameter forged ring with big amount.


5000 mm CNC Ring Roller could offer large diamter flanges up to ø4800mm size.



Advanced CNC ø5000mm lathes could offer precision machining for wind tower flanges.

Also CNC ø5000mm drilling machines are here to support large flange manufacturing.




Rongcheng Ring Forging is always here to support  your needs


International Trading Contact:Bill Keh

Email: bill.keh.forging@gmail.com      Tel : 86-512-58551088

  • Name: Wind Tower Flange
  • Numbers: WP5002
  • Shelves time: 2013-02-17