Greece Import Export Tender and Transport Opportunities

companies from the cooling section are importing doors for cold rooms from Turkey as the price is lower than Italians,Greek,and Spain!I am interested in importing a quantity and at first only of hinged doors for maintenance,and freeze with up to 3 different thicknesses 8cm,10cm and 12cm and dimensions 1.90×0.90 and 2×1.I would like to know some of course the minimum order,the price per piece ,the certification of the doors ,the way of payment etc.