... of standard parts, fasteners, machinery spare parts, hardware tools, straight shank twist drill hot upsetting, hot rolled.B ... type.2, heat treatment of all kinds of hardware tools, electric, hydraulic, pneumatic components, steam, rubing matching, ... turning, milling cutter, cutter, reamer, diamond saw blades, saw welding; Tools, drilling tools, cutting tools and welding; Brass, copper, stainless steel ...