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... are made of stainless steel S30408, the outer shell is made of alloy steel Q245R, the interlayer is filled with expanded perlite (also known as pearl sand), and a specially treated adsorbent is installed. T...
...Aluminum Extrusion Processing Alloy Heat Sink Aluminum Motor Shell Customized Special Shaped Industrial Aluminum Alloy Heat Sink Extrusion Punching CNC Machining Heat 1,With plastic bag,with pearl-cotton pac...