HJ-1139 Annealing Tunnel Furnace SPECIFICATIONS: Annealing Tunnel Furnace  A machine for gold, silver and copper material chains annealing. Voltage: 380V                                                             Power: 16KW Machine dimension: 300 * 50 * 130cm                      Weight: approx. 500kg                                            Furnace length: 3 meters. Apply gas: Ammonia. Our Annealing Furnaces include Antioxidation Annealing Furnace, Annealing Tunnel Furnace. In addition, if you are interested in our Gold Melting Furnace, you can call oe email us at any time , we will send you our price list.