... all kinds of standard parts, fasteners, machinery spare parts, hardware tools, straight shank twist drill hot upsetting, hot rolled.B, ... annealing, a type.2, heat treatment of all kinds of hardware tools, electric, hydraulic, pneumatic components, steam, rubing matching, and ... hole, partial or whole quenching. Such as: hammer, knife, scissors, forceps and all kinds of shaft, CAM, the chain wheel ...