軟化精抽材 LAIP

軟化精抽材: 盤元 ↣ 酸洗披覆 ↣ 粗抽 ↣ 軟化退火 ↣ 酸洗披覆 ↣ 精抽

LAIP: Wire Rod ↣ Pickling + Phosphating ↣ Hard Drawing ↣ Softening Annealing ↣ Pickling + Phosphating ↣ Skin Pass