Round Duct Lock Forming Machine en Shanghái, Shanghai, China

Lock forming machine has two kinds, one is for rectangular duct lock forming machine, another kind is for round duct lock forming machine. Now we talk about round duct lock forming machine. During processing round HVAC duct, a round duct lock forming machine plays an important role in duct production line. Round duct locking forming machine makes two shapes to achieve locking function. Our round duct lock forming machine roller’s material is bearing steel which is more durable and has a long lifetime.