diff --git a/ComputerShopDataModels/Enums/OrderStatus.cs b/ComputerShopDataModels/Enums/OrderStatus.cs
index bd45fbf..41c9c82 100644
--- a/ComputerShopDataModels/Enums/OrderStatus.cs
+++ b/ComputerShopDataModels/Enums/OrderStatus.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ComputerShopDataModels.Enums
+namespace ComputerShopDataModels.Enums
 {
 	public enum OrderStatus
 	{
diff --git a/ComputerShopDataModels/Models/IAssemblyModel.cs b/ComputerShopDataModels/Models/IAssemblyModel.cs
new file mode 100644
index 0000000..fa6bdcb
--- /dev/null
+++ b/ComputerShopDataModels/Models/IAssemblyModel.cs
@@ -0,0 +1,33 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Сборка
+	/// </summary>
+	public interface IAssemblyModel : IId
+	{
+		/// <summary>
+		/// Пользователь, который создал сборку
+		/// </summary>
+		int UserId { get; }
+
+		/// <summary>
+		/// Название сборки
+		/// </summary>
+		string AssemblyName { get; }
+
+		/// <summary>
+		/// Стоимость
+		/// </summary>
+		double Cost { get; }
+
+		/// <summary>
+		/// Категория
+		/// </summary>
+		string Category { get; }
+
+		/// <summary>
+		/// Список комплектующих
+		/// </summary>
+		Dictionary<int, (IComponentModel, int)> AssemblyComponents { get; }
+	}
+}
diff --git a/ComputerShopDataModels/Models/IComponentModel.cs b/ComputerShopDataModels/Models/IComponentModel.cs
new file mode 100644
index 0000000..87e3b53
--- /dev/null
+++ b/ComputerShopDataModels/Models/IComponentModel.cs
@@ -0,0 +1,23 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Комплектующая
+	/// </summary>
+	public interface IComponentModel : IId
+	{
+		/// <summary>
+		/// Пользователь, который добавил комплектующую
+		/// </summary>
+		int UserId { get; }
+
+		/// <summary>
+		/// Название комплектующей
+		/// </summary>
+		string ComponentName { get; }
+
+		/// <summary>
+		/// Цена комплектующей
+		/// </summary>
+		double Cost { get; }
+	}
+}
diff --git a/ComputerShopDataModels/Models/IProductModel.cs b/ComputerShopDataModels/Models/IProductModel.cs
new file mode 100644
index 0000000..65fa951
--- /dev/null
+++ b/ComputerShopDataModels/Models/IProductModel.cs
@@ -0,0 +1,38 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Товар
+	/// </summary>
+	public interface IProductModel : IId
+	{
+		/// <summary>
+		/// Пользователь, который добавил товар
+		/// </summary>
+		int UserId { get; }
+
+		/// <summary>
+		/// Название товара
+		/// </summary>
+		string ProductName { get; }
+
+		/// <summary>
+		/// Стоимость товара
+		/// </summary>
+		double Cost { get; }
+
+		/// <summary>
+		/// Гарантия
+		/// </summary>
+		int Warranty { get; }
+
+		/// <summary>
+		/// Список комплектующих
+		/// </summary>
+		Dictionary<int, (IComponentModel, int)> ProductComponents { get; }
+
+		/// <summary>
+		/// Привязка товара к партии товаров
+		/// </summary>
+		int? ShipmentId { get; }
+	}
+}