① Melting
② Molding
③ Mold dry
④ Insert core
⑤ Assembing
⑥ Tapping
⑦ Pouring
⑧ Shaking out
⑨ Gas cutting, Gouging
⑩ Shot blast
⑪ Grinding
⑫ Heat treatment
⑬ PT
⑭ Packing