As one of the most expensive drain boards, the composite drain boards are cement drain boards and plastic drain boards. Many farmers will think that the quality of the composite drain boards is good, but not unexpected, because there will be defective products in the expensive ones. Now let's talk about how to distinguish the quality of the composite fecal leakage plate.

  The composite drain board is mainly a material problem, because the quality of the composite drain board is good or bad, and the material has too much concern. First of all, it is to see how smooth the surface of the composite fecal leakage plate is, which is related to the calcium powder of the raw material.

  Identify the quality of the composite leakage slab from the raw materials, weight, steel mesh. If there is a little damage to the composite fecal leakage plate, whether the glass fiber inside will be allergic to the pig's skin, etc.