... , stainless steel products, annealing, stretching, rose type. 2, heat treatment All kinds of hardware tools, electric, hydraulic, pneumatic components, air ... anneal ,pulling to stretch, rising the type .2.the heat treatment ( Chang to High frequency first) Various hardware tool, electricity- ... welds. stainless steel a bottom welds etc. 18KVA High frequency induction heat treatment machine KX-5188A18