Foundry machinery industry

The shell-filled steel pellet (dry sand) process is to put the made shell type in a bucket and fill the steel pellets (dry sand) around the barrel to reinforce the shell
a casting method of casting iron liquid. Castingis is to rely on steel pills to cool, the faster the cooling speed, good breathability, good recovery of steel pellets, small equipment investment, slow mold consumption, mold change is easy.