Intensity profiles I use the plant is large, I always plant safety first, quality first for production purposes, never use a small aluminum smelter, because they can not fully guaranteed quality. Some manufacturers in order to blind pursuit of profits aluminum pole machine, the security already be forgotten, a small aluminum profiles for pole machine for production, once the danger, the consequences would be disastrous. If you are a professional contractor should know, construction safety comes first, so I choose to plant aluminum pole machine. Source