Mingshi extrude polycarbonate square tubes Mingshi has many years for extruded polycarbonate tubes and the square tube is one of them. We extruded the square tubes can be used in many occasion, we adapt the diameter, wall thickness and length individually to your requirements. At the same time, we can customize molds for customers, and then to meet their special requirements. Extruded polycarbonate square tubes key feature ● Extruded polycarbonate square tubes have excellent optical properties ● Extruded polycarbonate square tubes have good UV stability ● Extruded polycarbonate square tubes have insulation properties ● Extruded polycarbonate square tubes have excellent high temperature resistance ● Extruded polycarbonate square tubes in glossy or satin surface ● Extruded polycarbonate square tubes have flame resistance ● Extruded polycarbonate square tubes are available in clear, colored and custom colors ● Extruded polycarbonate square tubes customize sizes or standard sizes are available