50 Ton Nissei Injection Molding Machine, Model TNX50RIII5V, 1.65 OZ, 2019. USED. Manufacturer: Nissei. 50 Ton Nissei Injection Molding Machine, Model TNX50RIII5V Vertical/Vertical Configuration New In 2019 Approximate Dimensions: MACHINE IN STOCK AT ARLINGTON PLASTICS MACHINERY. United States.