TU series is a reusable passive temperature controlled pallet shipper，which is designed to ensure the safe transportation of temperature sensitive pharmaceutical products.It is made of VIP and PU as insulation material ,matched with advanced phase change material, keep cooling from 120 hours to 168 hours, with precise temperature controlling at -21℃,-18℃,-16℃,5℃, or 20℃. Equiped with reusable data logger,the temperature humidity and location could be remote monitoring at real time, It is also strictly pre-qualified according to ISTA, WHO, GSP standard, and suitable for bulk transportation of cold chain products such as vaccine,reagent and cold medicine.