B-TRUST is the first and best manufacturer of planetary roller extruder in China. Our extruders are special for pvc sheet/film calendering line, all extruders made by B-TRUST own good quality and long life, in China we have captured more than 80% market. The mode of HT planetary extruder is almost the same with German's extruder, we also provide spare parts of planetary extruder for all our customers. Please feel free to contact us!