What are the grid of x ray we often use?

Recently, many customers have consulted our grid of x ray. There are four kinds of grid of x ray commonly used. Converging grid, each lead is inclined to the focus, that is, the extension line of lead is concentrated in the focus. Parallel grid of x ray, each lead bar is parallel to each other in the vertical plane. Then there are cross grating and circular grating.
Our company exports a large number of grid of x ray to all countries in the world, welcome to inquire.

Author：Lillian