Amut BA series parallel twin screw extruders' twin screws, twin cylinders or twin barrels:
Amut BA67, Amut BA72, Amut BA76, Amut BA92, Amut BA105, Amut BA114, Amut BA125, Amut BA130, Amut BA136, 
Amut BA152, Amut BA177
old models: Amut BA86, Amut BA100, Amut BA120, Amut BA145
Amut KBA series: Amut KBA48(48/107), Amut KBA59(59/128)