... welding machines are necessary equipment for hose making industry and tube & pipe making industry.We supply two sizes of tubemill ... ,DN15,20,25,32,40,50,65,80,100,125,150,200,250,300m, one set for each size, totally ... Tube Mill: DN150~DN350 1). Max welding pipe outer diameter: 150-350mm 2). Thickness: 0.25~1.2mm 3). Speed: 0 ... , Indonesia, South Africa, Vietnam and so on. Stainless Tube Making Machine