... change waste rebar to nail, the invention is very environmental protection, at the same time, help many people become ... you buy the nail making machine, such as new rebar, new steel wire, waste bar and so on. Waste ... inconvenient when wire drawing, it’s slow than new rebar, but waste bar cost is very low, ... 8, lubrication the machine regular, when use a new machine, it should be lubricated mass in 15 days ...