It is considered that a skincare shop is one of important places for skincare and beauty care. Due to increasing daily stress and environmental pollution recently, healthy skin is getting important and more people are visiting skincare shops. This study investigated the effects of laporte of skincare shop workers on customer reliability and satisfaction with a focus on women in twenties and thirties, and those of reliability on customer satisfaction, aiming at providing basic information for active management of skincare shops. For the purposes, this study used a questionnaire to collect the data and using SPSS 25.0. conducted a frequency test, an exploratory factor analysis, a descriptive statistical analysis, a correlation analysis and a reliability test to analyze the data collected. As a result of the study, it was discovered that laporte of skincare shop workers had a significant effect on customer reliability and satisfaction and reliability had a significant effect on customer satisfaction. It suggested that relationship between skincare shop workers and customers is very important for skincare shop management.

The company was focusing on production which was partial mission rather than acquiring the information of customer in intensive process industry. The company accepted loss which is from over-production, losing of opportunity. After changing to web environment, supply chain is more complicated and need of customer is more various. As a result the company hard works on controlling production rates, production quantities in production area and gathering exact information which is about available resource and available quantities. Cooperated demand planning have to get decreasing of inventory, improving of customer service in supply chain management. Specially demand planning that considers allocation of capacity is executed in Iron-Industry. Demand planning must be classified by customer, region and supply position level.

This Study will introduce the concept of CTP(Capable-to-Promise) Algorithm, CTP process, and the modeling of algorithm. This research is based on the environment of using Job-Shop method. CTP algorithm model use LPST(Latest Possible Start Time) and EPST(Earliest Possible Start Time) method especially. It is important part of executing CTP system. The CTP modeling and implementing develops to system which is able to implement in the various business environment through additional and continuous research.