I have make a table according your requirement.
copy and paste in your database.
CREATE TABLE [dbo].[Mobile_Managment](
[SrNo] [int] IDENTITY(1,1) NOT NULL,
[itemName] [varchar](200) NULL,
[Category] [varchar](200) NULL,
[Company_name] [varchar](200) NULL,
[SubCompany] [varchar](200) NULL,
[Qty] [varchar](200) NULL,
CONSTRAINT [PK_Mobile_Managment] PRIMARY KEY CLUSTERED
(
[SrNo] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
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