... caps SY-30By(16T24T36T)Plastic cap compression molding machine (Hydraulic) SY-30BY is hydraulic cap molding machine, we exploit and design it base ... with the spring, the pressure stability is more better, every mold have the same pressure, it is good for the mould ... bigger capacity, its productivity is three or four times of injection molding machine, and cap shape speed more quickly, cap made by this ...