Description:    In engineering, carpentry and building, the nail refers to the cusp of hard metal (usually steel), as a purpose for fixing of wood and other objects. The nails can make items solid, by their own deformation and hanging its hook, as well as relying on friction.Application:    1.Steel nails mainly used in the connections of concrete wall, ground and surface materials and infrastructure fixed. Steel nails are strong, not easy to rust, without drilling hole using in common wall and easy to use.    2.Common nails, flooring nails, decoration nails, special nails, etc.