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