Now, we will introduce seven models of Lock Forming Machine. Lock Forming Machine is one of the necessary machine in duct production industry,it can be processed using a variety of different shapes ,can meet a variety of thin lock,splicing, and corner welding needs,universal models can be machined plates from 0.5 to 1.5mm thick galvanized sheet,the enterprise can be made seven special launch shaped machine,adding a single flat function on the basis of the original six functions to facilitate the customer's use,improve efficiency,special models are to meet customer specific needs. 1.Pittsburgh Lock Forming Machine With 7 Rollers Video presentation： 2.Pittsburgh Lock Forming Machine With 9 Rollers Video presentation： 3.TDC Lock Forming Machine Video presentation： 4.S Lock Forming Machine Video presentation： 5.Lock Forming Machine Video presentation： 6.Snap Lock Forming Machine Video presentation： 7.U Lock Forming Machine Video presentation：