... Guanhong Plastics Co.,Ltd is an enterprise which integrates production, sales and processing, with 5 branches in China ... PE/PVC insulated pipe for air conditioners.Our main production equipment: moulding foaming machine, extrusion foaming machine, cold forming ... PE/PVC insulated pipe for air conditioners.Our main production equipment: moulding foaming machine, extrusion foaming machine, cold forming ...