... MELT-CASTING MACHINEpatent No.: 200720149448.51.Use:This machine is the nenew type of JN-A2B, adapt touch switch logical circuit, digital meter ... the process, and self-stop function is very easy to learn,4) Melt dpt. is easy to adjust . it is eary to any kinds of melting ... parts5) Control board is very handsome ,and also it ...