Brief introduction of hardware spring
Hardware shrapnel: the general name of all shrapnel. The materials of hardware shrapnel are mainly plastic metal shrapnel, stainless steel metal shrapnel, copper metal shrapnel, iron metal shrapnel, aluminum stainless steel shrapnel, etc. All the shrapnel that need to be pressed and formed by metal mold are called hardware shrapnel.
Battery shrapnel: Battery shrapnel is one of the hardware shrapnel, the material is mainly stainless steel shrapnel, copper shrapnel, iron shrapnel. Due to its good conductivity and elasticity, copper is generally used.
Mobile phone hardware shrapnel: is also a kind of hardware shrapnel, mainly used in mobile phones, its general use of copper.