The problem of the level of consumer trust and satisfaction is important in the trade business. However, not all products that have been and have not been regulated have adequate after-sales service. The purpose of this study was to determine the effect of after-sales service, product quality and product warranty on customer satisfaction. The number of samples in this study amounted to 100 consumers from a population of 180 consumers and are active consumers of PT Karya Bahari Abadi Jakarta. The sampling technique is by accidental sampling. The data collection technique is primary data or data taken directly from the respondents through a questionnaire. This study uses multiple linear regression and comparative analysis for data analysis with the help of SPSS Ver. 21, This study obtained the results that the quality product, after-sales service, product guarantee has a positive effect simultaneously on customer satisfaction, quality product, after-sales service, product guarantee has a partial positive effect on customer satisfaction. Through data processing, researchers can provide input or advice to companies, namely companies are expected to be able to maintain product quality that has been rated well by customers and pay more attention to after-purchase services to create satisfaction which ultimately impacts on customer loyalty.

Successful companies will always practice logistics, supply chain and inventory management in order to reduce costs and provide services and operational effectiveness. Logistics in the current state of business coordinates and integrates all physical and non-physical movements and unites them with the organization, as well as information aspects. This study aims to analyze the impact of corporate logistics management which includes transportation, warehousing, packaging, inventory and information management to improve efficiency and effectiveness. Reducing the cost of each logistics activity will affect the total cost burden and improve company performance. This article will determine and define what logistics activities are key to the success of the company. Empirical research is based on articles that have been adapted and abstracted and become hypotheses that are generally understood after validation and proven by the results of the findings in these articles. Adequate inventory, storage, warehousing, transportation and information management are the main keys that logistics managers should practice to reduce the overall cost of the company. These findings include the affirmation of the need for logistics managers to optimally manage all logistics activities in order to achieve cost reduction, service improvement and operational effectiveness.