There are medium and small sized materials can be screened without primary crushing, so it is the best choice for mobile crusher to equip grizzly bar hopper with pre-screening function. Grizzly bar hopper combines screening and stockpile together, there is no need to add equipment or cost by moving grizzly bar hopper. The procedure called “crush first and then screen” or “screen first and then crush” makes solutions more flexible.

　　3 vibrating screens and grizzly bar hopper with different models can be chose to update crushers by adding screening function. The frame, as a carrying platform, needn’t invest additionally, and the stone crushing plant will be scaled up by buying cone crusher or impact as main equipment from Liming.

　　There are 9 types of cone crushers and 6 types of impact crushers you can choose for primary crushing plant, which can satisfied all secondary crushing. whose final products are good shape. The maximum capacity of pure screening + grizzly bar hopper can be 400t/h, besides, A+t/h is the largest preparedness capacity of K series Secondary Crushing And Screening Plant.