A series of indexes and formulas are put forward to verdict customer profitability, and the customer profitability and business earnings are analyzed.

Evaluation model of customer satisfaction degree (CSD) for garment enterprises;

Carrying out process management of focus on customer;

Secondhand Smoke Exposure among Customers in Restaurants in Shanghai;

Characteristics and Influencing Factors of Customers' Demands in Drugstore;

Limit distribution of the length for a kind of GI/G/1 retrial queue with negative customers and repair;

Environment of a market place plays an important role in attracting customers, while at present many market places have much room for improvement.

Starting from the concept of service marketing and client satisfac-tion rate, the paper illustrates the factors affected to client satisfaction rate andanalyzes the client satisfaction rate so as to provide new operational thoughtsfor implementing service marketing by railway transport enterprises.

This paper analyzed the data of quality of the surveying production and the client’s contentment statistically.

Persisting in this principle is to meet the needs of clients and to provide them with satisfactory education service.