4 oz plastic cosmetic jars

4 oz plastic cosmetic jars We have always been committed to better production and capacity of cosmetic packaging bottles, about our workshop product quality management system, for the third section of quality management statistical methods. I. The purpose of quality management data and statistical methods One of the characteristics of implementing total quality management is to digitize various indicators that reflect the quality level. Quality data comes from inspection and product survey in production, which can be divided into two categories: measurement data and counting data. Measurement data can be continuous value, measurement tools can be used to measure the length, weight, chemical composition, hardness, purity and other quality characteristics of the decimal value, counting data refers to can not be continuous value, can only be obtained integer, such as 1, 2, 3...... Let's wait. Counting data can be further divided into piecework data and counting point data. The former…

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