Feature : portable  machine 
Beside 1kg melting furnace  ,we also offer  other option 
Capacity option :   2kg 3kg 4kg 5kg 6kg 7kg 8kg 
The more capacity The price is higher 
You can choose the best capactiy depend your  metal size or feeding size 
For example , if  you want melting 100 grams aluvial/sand gold ,1kg melting furnace is enough 
about input volage : we have two choice : 220v single phase  and 380v three phase. 
http://www.jxscmachine.com