Sales of primary plastics machinery in North America rose in the third quarter of this year – in com...
On the whole, the study of twin-screw extrusion theory is still in the initial stage. This is the so...
In the production process of PVC pipes and fittings, temperature control is very important, which di...
In order to adapt to the market and meet the needs of domestic and foreign industries for PVC main e...
According to the rotation direction of twin-screw extruder, it can be divided into two types: co rot...