diff --git a/app/Filament/Exports/LineExporter.php b/app/Filament/Exports/LineExporter.php
index ceca456..045fadc 100644
--- a/app/Filament/Exports/LineExporter.php
+++ b/app/Filament/Exports/LineExporter.php
@@ -24,12 +24,12 @@ class LineExporter extends Exporter
                     // Increment and return the row number
                     return ++$rowNumber;
                 }),
-            ExportColumn::make('plant.name')
-                ->label('PLANT'),
+            ExportColumn::make('plant.code')
+                ->label('PLANT CODE'),
             ExportColumn::make('name')
-                ->label('NAME'),
+                ->label('LINE NAME'),
             ExportColumn::make('type')
-                ->label('TYPE'),
+                ->label('LINE TYPE'),
             ExportColumn::make('no_of_operation')
                 ->label('NO OF OPERATION'),
             ExportColumn::make('workGroup1.name')
@@ -84,10 +84,10 @@ class LineExporter extends Exporter
 
     public static function getCompletedNotificationBody(Export $export): string
     {
-        $body = 'Your line export has completed and ' . number_format($export->successful_rows) . ' ' . str('row')->plural($export->successful_rows) . ' exported.';
+        $body = 'Your line export has completed and '.number_format($export->successful_rows).' '.str('row')->plural($export->successful_rows).' exported.';
 
         if ($failedRowsCount = $export->getFailedRowsCount()) {
-            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to export.';
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to export.';
         }
 
         return $body;
diff --git a/app/Filament/Imports/LineImporter.php b/app/Filament/Imports/LineImporter.php
index f412cf3..30ec799 100644
--- a/app/Filament/Imports/LineImporter.php
+++ b/app/Filament/Imports/LineImporter.php
@@ -87,10 +87,10 @@ class LineImporter extends Importer
                 ->label('Work Group Center 10'),
             ImportColumn::make('plant')
                 ->requiredMapping()
-                ->exampleHeader('Plant Name')
-                ->example('Ransar Industries-I')
-                ->label('Plant Name')
-                ->relationship(resolveUsing:'name')
+                ->exampleHeader('Plant Code')
+                ->example('1000')
+                ->label('Plant Code')
+                ->relationship(resolveUsing: 'code')
                 ->rules(['required']),
         ];
     }
@@ -98,28 +98,33 @@ class LineImporter extends Importer
     public function resolveRecord(): ?Line
     {
         $warnMsg = [];
+        $plantCod = $this->data['plant'];
+        $plant = null;
 
-        $plant = Plant::where('name', $this->data['plant'])->first();
-        if (!$plant) {
-            throw new RowImportFailedException("Plant '{$this->data['plant']}' not found");
+        if (Str::length($plantCod) < 4 || ! is_numeric($plantCod) || ! preg_match('/^[1-9]\d{3,}$/', $plantCod)) {
+            $warnMsg[] = 'Invalid plant code found';
+        } else {
+            $plant = Plant::where('code', $plantCod)->first();
+            if (! $plant) {
+                throw new RowImportFailedException('Plant not found');
+            }
         }
 
         if (Str::length($this->data['name'] ?? '') <= 0) {
-            throw new RowImportFailedException("Line name not found");
+            throw new RowImportFailedException('Line name not found');
         }
 
         if (Str::length($this->data['type'] ?? '') <= 0) {
-            throw new RowImportFailedException("Line type not found");
+            throw new RowImportFailedException('Line type not found');
         }
 
         $noOfOps = (int) ($this->data['no_of_operation'] ?? 0);
 
-        if (($noOfOps == null || $noOfOps == '' || !is_numeric($noOfOps)) && $noOfOps != 0) {
+        if (($noOfOps == null || $noOfOps == '' || ! is_numeric($noOfOps)) && $noOfOps != 0) {
             throw new RowImportFailedException("'No of Operation' is required and must be a number $noOfOps");
         }
 
-        if ($noOfOps > 10)
-        {
+        if ($noOfOps > 10) {
             throw new RowImportFailedException("Invalid 'No Of Operation' value: {$noOfOps}, maximum allowed is 10");
         }
 
@@ -130,28 +135,28 @@ class LineImporter extends Importer
                 $missingGroups[] = "work_group{$i}_id";
             }
         }
-        if (!empty($missingGroups)) {
+        if (! empty($missingGroups)) {
             throw new RowImportFailedException(
-                "Invalid data: Required work groups missing values in: " . implode(', ', $missingGroups)
+                'Invalid data: Required work groups missing values in: '.implode(', ', $missingGroups)
             );
         }
 
         // Ensure no extra work groups are filled
         $invalidGroups = [];
         for ($i = $noOfOps + 1; $i <= 10; $i++) {
-            if (!empty($this->data["work_group{$i}_id"])) {
+            if (! empty($this->data["work_group{$i}_id"])) {
                 $invalidGroups[] = "work_group{$i}_id";
             }
         }
-        if (!empty($invalidGroups)) {
+        if (! empty($invalidGroups)) {
             throw new RowImportFailedException(
-                "Invalid data: Only first {$noOfOps} work groups should be filled, but values found in: " . implode(', ', $invalidGroups)
+                "Invalid data: Only first {$noOfOps} work groups should be filled, but values found in: ".implode(', ', $invalidGroups)
             );
         }
 
         for ($i = 1; $i <= 10; $i++) {
             $workGroupName = $this->data["work_group{$i}_id"] ?? null;
-            if (!$workGroupName) {
+            if (! $workGroupName) {
                 continue;
             }
 
@@ -159,8 +164,8 @@ class LineImporter extends Importer
                 ->where('plant_id', $plant->id)
                 ->first();
 
-            if (!$workGroupRecord) {
-                throw new RowImportFailedException("Work group '{$workGroupName}' not found in plant '{$this->data['plant']}'");
+            if (! $workGroupRecord) {
+                throw new RowImportFailedException("Work group '{$workGroupName}' not found in plant '{$plantCod}'");
             }
 
             $existsInLines = Line::where('plant_id', $plant->id)
@@ -169,35 +174,34 @@ class LineImporter extends Importer
                 ->first();
 
             if ($existsInLines) {
-                $warnMsg[] = "Work group '{$workGroupName}' is already assigned to another line in plant '{$this->data['plant']}'";
+                $warnMsg[] = "Work group '{$workGroupName}' is already assigned to another line in plant '{$plantCod}'";
             }
 
             $this->data["work_group{$i}_id"] = $workGroupRecord->id;
         }
 
-        if (!empty($warnMsg))
-        {
+        if (! empty($warnMsg)) {
             throw new RowImportFailedException(implode(', ', $warnMsg));
         }
 
         Line::updateOrCreate(
             [
                 'name' => $this->data['name'],
-                'plant_id' => $plant->id
+                'plant_id' => $plant->id,
             ],
             [
                 'type' => $this->data['type'],
                 'no_of_operation' => $noOfOps,
-                'work_group1_id'   => $this->data['work_group1_id'] ?? null,
-                'work_group2_id'   => $this->data['work_group2_id'] ?? null,
-                'work_group3_id'   => $this->data['work_group3_id'] ?? null,
-                'work_group4_id'   => $this->data['work_group4_id'] ?? null,
-                'work_group5_id'   => $this->data['work_group5_id'] ?? null,
-                'work_group6_id'   => $this->data['work_group6_id'] ?? null,
-                'work_group7_id'   => $this->data['work_group7_id'] ?? null,
-                'work_group8_id'   => $this->data['work_group8_id'] ?? null,
-                'work_group9_id'   => $this->data['work_group9_id'] ?? null,
-                'work_group10_id'  => $this->data['work_group10_id'] ?? null,
+                'work_group1_id' => $this->data['work_group1_id'] ?? null,
+                'work_group2_id' => $this->data['work_group2_id'] ?? null,
+                'work_group3_id' => $this->data['work_group3_id'] ?? null,
+                'work_group4_id' => $this->data['work_group4_id'] ?? null,
+                'work_group5_id' => $this->data['work_group5_id'] ?? null,
+                'work_group6_id' => $this->data['work_group6_id'] ?? null,
+                'work_group7_id' => $this->data['work_group7_id'] ?? null,
+                'work_group8_id' => $this->data['work_group8_id'] ?? null,
+                'work_group9_id' => $this->data['work_group9_id'] ?? null,
+                'work_group10_id' => $this->data['work_group10_id'] ?? null,
             ]
         );
 
@@ -206,10 +210,10 @@ class LineImporter extends Importer
 
     public static function getCompletedNotificationBody(Import $import): string
     {
-        $body = 'Your line import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';
+        $body = 'Your line import has completed and '.number_format($import->successful_rows).' '.str('row')->plural($import->successful_rows).' imported.';
 
         if ($failedRowsCount = $import->getFailedRowsCount()) {
-            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to import.';
         }
 
         return $body;