Buy 20+30kgs furnace kit from the below at lowest price:
https://www.ebay.com/itm/154093894687
or search " 154093894687" from ebay.
This link is 20-30kgs Furnace kit:
1. Gas/ Propane Melting Furnace Kit including Furnace, Crucible, GLOVES, MOLD,GOGGLES,Ceramic Fiber Pad , Air Intake , Regulator, Fire Brick, Ptfe Tape, Tong and USER MANUAL.
2.The Furnace is 304 Stainless Steel body, Durable Silicon Carbide Graphite Crucible, crucible's capacity :Gold 26kgs/57lbs; silver: 14kgs/30lbs, copper: 12kgs/26lbs, Iron 10kgs/22lbs; Aluminum: 3.6KGS/8lbs.
3.Highest quality, Heat up to 3272F/1800°C, Stainless Steel 304 body,Jewelry Casting Tool, 10-15mins to melt copper. few mins for alu.
4.Highest quality, Easy to assemble, portable, best choice for beginners.
5. 99.95% Silicon carbide Graphite included.
6.Light Duty Forge, Metal recycle, full of fun,One Year Warranty and technical support any time
7. Sizes of 12KGS, 15KGS,20KGS, 30KGS with powerful double burners are available , The links as follows,
https://www.ebay.com/itm/155339562461
8. 30days free return, 1 year warranty. 24 hours technical support.
9. Fast delivery in 3 work days by UPS/fedex from CA warehouse, USA.