Nanjing Yongteng Chemical Equipment Co., Ltd. [China]

1.Made of thermometal a-101(Fe-Cr-Ni-B+Carbide)of high quality 2. Easy to install and unload when change 3.CE cert

1. The "∞"  shape hole in the plastic extruder barrel will be  lined with this kind of alloy bushing

2. It is made of wearing proof alloy a-101(Fe-Cr-Ni-B+Carbide), hardness:HRC60-64.

C shape alloy bush installed in plastic screw barrel