Hardware, gold, silver, copper, iron, tin, five metal materials, hardware is the mother of industry;
In the foundation of national defence, the product of metal materials, usually divided into two major categories of DaWuJin and hardware.
DaWuJin refers to the steel plate, steel bar, flat iron, universal Angle steel, channel iron, I iron and various types of steel material, the hardware for building hardware, tin, locking nails, wire, steel wire, steel wire cut, household hardware, tools, and so on.
Of the properties and USES, the hardware should be steel materials, non-ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and so on eight big class.
Hardware headset speakers processing | basin net cover washers, in an article: stainless steel enterprise shall eliminate difference, electricity price policy
