The hollow aluminum existing 334*20*1220, two middle circle, one direction is about 500 for the long drum hit, surface hardness is 100HB, what's the way to the middle place into circular drum!
Aluminum tube is a kind of nonferrous metal pipe, which is made of pure aluminum or aluminum alloy and is extruded into a hollow metal tube with longitudinal length. English Name: alumin (I) um tube; alumin (I) um pipe may have one or more closed vias,
Aluminum tube is a kind of nonferrous metal pipe, which is made of pure aluminum or aluminum alloy and is extruded into a hollow metal tube with longitudinal length. English Name: alumin (I) um tube; alumin (I) um pipe may have one or more closed vias,
Aluminum tube is a kind of nonferrous metal pipe, which is made of pure aluminum or aluminum alloy and is extruded into a hollow metal tube with longitudinal length. English Name: alumin (I) um tube; alumin (I) um pipe may have one or more closed vias,
