Preform Moulds: 1. Mould cavity kubva pa1 kusvika pa72. 2. Sisitimu yemagetsi yekudzora ine simulating stretch testing inovandudza goho. 3. Shandisa nzira yepamusoro yepasi rose yekuisa dipole taper localization, cavity yega yega inozvibatanidza yoga, vimbisa kuti mould concentricity. 4. Zvinhu zvemould die core uye die cavity zvakagadzirwa neSweden special mould steel. 5. International standard screw neck, imported nitrog...