Through the combination of markets and continuous research innovation, GRACE is pleased to provide energy-saving and highly efficient extruders and complete extrusion production line with customized design. Based on the classic 38D series extruder, we have developed the 40D series which is widely applied to kinds of polyolefins (e.g., pipe production of HDPE, LDPE, PERT, PP, PPB, PPH, PP-R, PS).