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The manufacturing status has great effect on the product’s quality.Now measuring data can be automatically sent to database in computer by interfaces.Based on the client/server design, management information system (MIS) of a company is set up by PowerBuilder and SQL Server.Statistic parameters can be automatically computed and control curves can be plotted on time, which can bring great convenience to the ISO quality certification.Searching and analyzing on the database system can give useful information to the administrator to improve the quality of products.