tube mill: We are a big and good factory who produce and export the High Frequency Welding Pipe Making Machine..... tube mill:We are a big and good factory who produce and export the High Frequency Welding Pipe Making Machine, we export over 40 countries for our mill. Model No.: ZY16, ZY20, ZY32, ZY50, ZY76, ZY89, ZY114, ZY219, ZY273Product Origin: China Payment Terms: L/C Supply Ability: 150PCS/ ...