diff --git a/import.php b/import.php
index 66db65f..2cde227 100755
--- a/import.php
+++ b/import.php
@@ -1970,9 +1970,10 @@ if ($action == 'previewdatanorm' && $id > 0) {
                     'datanorm_ean' => $datanorm->ean,
                     'purchase_price' => $currentDolibarrPrice, // Current Dolibarr unit price
                     'purchase_min_qty' => $currentSupplierMinQty, // Dolibarr minimum quantity
+                    'purchase_copper_surcharge' => $productCopperSurcharge, // Dolibarr copper surcharge (for min qty)
                     'datanorm_purchase_price' => $purchasePrice, // New Datanorm unit price
                     'selling_price' => $sellingPrice,
-                    'copper_surcharge' => $copperSurchargeForPrice, // Copper surcharge (for price_unit)
+                    'copper_surcharge' => $copperSurchargeForPrice, // Copper surcharge (per unit)
                     'existing_product_id' => $existingProductId,
                     'action' => $productAction,
                     'new_ref' => 'NEW-'.$supplierPrefix.'-'.$datanorm->article_number,
@@ -3027,16 +3028,17 @@ if ($action == 'edit' && $import->id > 0) {
             print '<td class="right nowraponall">';
             if (!empty($match['purchase_price']) && $match['purchase_price'] > 0) {
                 $dolibarrMinQty = !empty($match['purchase_min_qty']) ? $match['purchase_min_qty'] : 1;
-                $dolibarrTotalForQty = $match['purchase_price'] * $dolibarrMinQty;
+                $dolibarrMaterialTotal = $match['purchase_price'] * $dolibarrMinQty;
+                $dolibarrCopper = !empty($match['purchase_copper_surcharge']) ? $match['purchase_copper_surcharge'] : 0;
 
-                // Load copper surcharge for this supplier price
-                $dolibarrCopper = !empty($productCopperSurcharge) ? $productCopperSurcharge : 0;
+                // Show breakdown if copper exists
                 if ($dolibarrCopper > 0) {
-                    print '<span class="small" style="color: #666;">'.price($dolibarrTotalForQty).' + '.price($dolibarrCopper).' Cu</span><br>';
-                    $dolibarrTotalForQty += $dolibarrCopper;
+                    print '<span class="small" style="color: #666;">'.price($dolibarrMaterialTotal).' + '.price($dolibarrCopper).' Cu</span><br>';
                 }
 
-                print '<strong>'.price($dolibarrTotalForQty);
+                // Total price for minimum quantity
+                $dolibarrTotal = $dolibarrMaterialTotal + $dolibarrCopper;
+                print '<strong>'.price($dolibarrTotal);
                 if ($dolibarrMinQty > 1) {
                     print '/'.$dolibarrMinQty;
                 }
@@ -3044,7 +3046,8 @@ if ($action == 'edit' && $import->id > 0) {
 
                 // Unit price as secondary info
                 if ($dolibarrMinQty > 1) {
-                    print '<br><span class="small opacitymedium">('.price($match['purchase_price']).'/Stk.)</span>';
+                    $dolibarrUnitPrice = $dolibarrTotal / $dolibarrMinQty;
+                    print '<br><span class="small opacitymedium">('.price($dolibarrUnitPrice).'/Stk.)</span>';
                 }
             } else {
                 print '<span class="opacitymedium">-</span>';
@@ -3054,16 +3057,17 @@ if ($action == 'edit' && $import->id > 0) {
             // Datanorm price - show price for minimum quantity
             print '<td class="right nowraponall">';
             $datanormPriceUnit = max(1, $match['datanorm_price_unit']);
-            $datanormTotalForUnit = $match['datanorm_price'] + ($match['copper_surcharge'] * $datanormPriceUnit);
+            $datanormMaterialTotal = $match['datanorm_price']; // Material price for price_unit
+            $datanormCopper = !empty($match['purchase_copper_surcharge']) ? $match['purchase_copper_surcharge'] : 0;
 
-            // Show breakdown if copper surcharge exists
-            if ($match['copper_surcharge'] > 0) {
-                $copperForUnit = $match['copper_surcharge'] * $datanormPriceUnit;
-                print '<span class="small" style="color: #666;">'.price($match['datanorm_price']).' + '.price($copperForUnit).' Cu</span><br>';
+            // Show breakdown if copper exists
+            if ($datanormCopper > 0) {
+                print '<span class="small" style="color: #666;">'.price($datanormMaterialTotal).' + '.price($datanormCopper).' Cu</span><br>';
             }
 
-            // Main price for minimum quantity
-            print '<strong>'.price($datanormTotalForUnit);
+            // Total price for minimum quantity (Datanorm material + Dolibarr copper)
+            $datanormTotal = $datanormMaterialTotal + $datanormCopper;
+            print '<strong>'.price($datanormTotal);
             if ($datanormPriceUnit > 1) {
                 print '/'.$datanormPriceUnit;
             }
@@ -3071,7 +3075,7 @@ if ($action == 'edit' && $import->id > 0) {
 
             // Unit price as secondary info
             if ($datanormPriceUnit > 1) {
-                $datanormUnitPrice = $datanormTotalForUnit / $datanormPriceUnit;
+                $datanormUnitPrice = $datanormTotal / $datanormPriceUnit;
                 print '<br><span class="small opacitymedium">('.price($datanormUnitPrice).'/Stk.)</span>';
             }
             print '</td>';