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超碰97国产公开,97资源中文字幕,97超碰97资源在线观看
GY series 140, 150 type cold bending steel machine set
GY series 140, 150 type cold bending steel machine set
GY series 140, 150 type cold bending steel machine set

The machine set is suitable for rolling thin and small precision cold bending sectional material.
Main technical parameter:
Rolling thickness: 0.2-1.5 mm
Rolling width: 200mm
Rolling speed: 5-20m/minute

 
 
超碰97国产公开,97资源中文字幕,97超碰97资源在线观看