Hot dip galvanizing (aluminum) line is a set continuous hot dip galvanizing (aluminum) equipments which produce zinc and aluminum coating steel coils mainly used for electric industry, construction, agriculture and household appliance and the producing capacity is 250 thousand tons per year. The processes include pre-cleaning of the strip steel, annealing, hot dip galvanizing or aluminum, cooling after coating, leveling, tension leveling, passivating(anti-finger print), coating oil, winding coil, surface inspecting and so on to achieve multi-function, efficient and continuous production. The line is flexible to process many kinds of products in order to meet the demands of market. Can be customized according to the requirements of customers.