Welcome to Hunan Ronggang Steel Industry
+86 731 8864 9455

+86 138 7588 3111

info@ronggang-steel.com

Production Machine

Production Machine

JCOE LSAW PIPE
Production Range Production Process Flow chart Production Machine
ROLLED STEEL PIPE
Production Range Production Process Flow chart Production Machine
COATING PIPE
Coating Production Range Coating Production Process Flow chart Production Machine and Painting Brand
STEEL FABRICATION

External Welding Machine

External welding  Machine

Machine Brand :Lincoln

OD size(mm):ф355~ф1800mm     

Welding Speed:0.5~2m/min       

Welding Current:

DC+:400~1500A 

AC: 400~1200A 

AC: 400~1200A  

  • External Welding Machine

Hunan Ronggang steel industry Co., Ltd

Hunan Ronggang Steel Industry CO,.LTD is founded on 18th March,2008,with a total investment of 120 million yuan,covering an area of 40,000 square meters and the ....

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