Iron gate and the art of ladder with cast iron fence is widely used, but in the market for a long time ago, with the continuous development of economy, people is higher and higher demand for tracks, private housing, residential, industrial park, the private sector has appeared in the forging of the grating. This kind of iron is widely used, has its own many advantages, has direct relations, especially in the application domain many, the first is cheap, the second is simple production.
