... Origin:Zhejiang, China (Mainland) Brand Name:NINGZHENG Specifications : aluminum roll bond evaporator Raw material Al-plate: finished products thickness ... , Rolling, Annealing, Blow up, Punching, Folding and shaping, Capillary connecting, Assembly welding, Leakage Test, Cleaning and drying, Coating, Curing, ... approval of CE,ISO9001,ISO14001,ROHS refrigerator with aluminum roll bond evaporator