Heat treatment:

Nitriding treatment

Hard chromium plating

High frequency quenching

Spray corrosion resistant, wear - resistant bimetal layer.

Vacuum quenching

Conical twin screw and cylinder specifications:

Φ45/90、Φ45/100.Φ50/105、Φ51/105.Φ55/110,Φ60/125,Φ6/120,

Φ65/132、Φ68/143.Φ70/140、Φ75/150.Φ80/143,Φ80/156.Φ92/188

Screw structure and compression ratio can be designed according to different raw materials.