1. According to the parting surface feature classification
(1) the level parting surface compression mold

(2) vertical parting surface compression mold
2. Press mould in hydraulic presses on the fixed way that classification
(1) mobile compression mold
(2) semifixation compression modulus
(3) stationary compression mold
3. Press mould charging room form classification
(1) overflows type compression mold
(2) half overflows type compression mold
(3) not excessive type compression mold