In a large concrete mixing plant equipment,it have , water weighing, cement weighing, fly ash weighing and additive weighing, concrete mixing plant, but not all types of mixing stations are required to use Additive Weighing, additive weighing is generally only used in large commercial mixing station, while the small concrete mixing plant is not configured. Additive Weighing whether the need to configure the main basis for the user to determine the concrete formula, concrete mixing plant such as when the need to mix recycled coarse aggregate concrete, you can add additives in the original weighing equipment, all users purchase equipment should be directly configured On the weighing system.