ERW Mill Qingdao Haokun Machinery Manufacturing Co., Ltd. Base Info Rolling Shape:PipeProduct:Steel PipeRoller Position:VerticalRoller Number:Two-HighLayout:ContinuousTrademark:HAOKUNSpecification:Dia219mm-630mmOrigin:China Qingdao Description Pre:Pipe End / Bending Pipe/ Pipe Fitting Beveling Machine Next:Precision CNC Machining Heat Sink