diff --git a/main/serializers.py b/main/serializers.py
index 3bf418f..8488b65 100644
--- a/main/serializers.py
+++ b/main/serializers.py
@@ -2,22 +2,24 @@
 from main.models import MainTable, RelatedField1, RelatedField2, RelatedField3
 
 
-class MainTableRelatedFields(serializers.RelatedField):
-    def display_value(self, instance):
-        return instance
-
-    def to_representation(self, value):
-        return str(value)
-
-    def to_internal_value(self, data):
-        return self.queryset.model.objects.get(name=data)
-
-
 class MainTableSerializerList(serializers.ListSerializer):
 
     def create(self, validated_data):
-        records = [MainTable(**item) for item in validated_data]
-        return self.child.Meta.model.objects.bulk_create(records)
+        r3_cache = {r3['name']: r3['id'] for r3 in list(RelatedField3.objects.all().values('name', 'id'))}
+        r2_cache = {r2['name']: r2['id'] for r2 in list(RelatedField2.objects.all().values('name', 'id'))}
+        r1_cache = {r1['name']: r1['id'] for r1 in list(RelatedField1.objects.all().values('name', 'id'))}
+
+        data_objects = []
+        for data in validated_data:
+            data['relfield3_id'] = r3_cache.get(data['relfield3'])
+            data['relfield2_id'] = r2_cache.get(data['relfield2'])
+            data['relfield1_id'] = r1_cache.get(data['relfield1'])
+            del data['relfield1'], data['relfield2'], data['relfield3']
+            data_objects.append(MainTable(**data))
+        bulk_created_list = MainTable.objects.bulk_create(data_objects)
+
+        return MainTable.objects.filter(id__in=[record.id for record in bulk_created_list]).prefetch_related(
+                                        'owner', 'relfield1', 'relfield2', 'relfield3')
 
 
 class MainTableSerializer(serializers.ModelSerializer):
@@ -28,9 +30,9 @@ class Meta:
 
     id = serializers.IntegerField(write_only=False, required=False)
     owner = serializers.ReadOnlyField(source='owner.username')
-    relfield3 = MainTableRelatedFields(queryset=RelatedField3.objects.all())
-    relfield2 = MainTableRelatedFields(queryset=RelatedField2.objects.all())
-    relfield1 = MainTableRelatedFields(queryset=RelatedField1.objects.all())
+    relfield3 = serializers.CharField()
+    relfield2 = serializers.CharField()
+    relfield1 = serializers.CharField()
 
     def create(self, validated_data):
         return self.Meta.model.objects.create(**validated_data)