1. The equipment investment is less and it can save more than 50% of investment comparing with the above two processes “A&B”.
　　2. The metal consumption is low. The main machine of the new process ①primary crushing jaw crusher adopts GFP series heavy load jaw crusher. The operation life of the jaw plate is over 6 times of PE series jaw crusher. ②Sand making machine is currently the preferred equipment of crushing high ablation material internationally, which adopts the principle of using stone to strike stone. Its outstanding feature is the high crushing efficiency and low metal consumption.
　　 3. The new process adopts dry process.
　　 4. The fine powder content of the new process line product conforms to the process requirement of float glass production. The new process line can be used in the crushing of sand rock, aposandstone, silica and feldspar and has obtained ideal effect in the re-crushing of broken glass.