All standard coils are mechanically expanded copper pipes plus aluminum fins. The surface cooling section is equipped with a pitched discharge coil to ensure complete discharge of condensed water.
Using microwave-heated ceramic chips instead of standard gas flame or electric coil, the system heats pans with near-perfect balance and lets you control the heat level with incredible precision.
The cold heading steel coil generally is low and medium carbon quality steel and alloy structure steel to manufacture various standard mechanical element and fastener by cold heading forming.