ePanel possesses a long-term cooperative fieldwork networks with high quality and can carry out CLT (Central Location Test) project over 200 cities around China. CLT project usually launch in many cities at the same time, in the process of fieldwork such as questionnaire printing, data collection and entering etc., it not only costs a lot of time and money but also face the difficult problem of unified management of multi-regional resources.

In view of existing problem of CLT, ePanel apples its self-developed Online Survey Platform and Data Collection Platform to traditional ways of fieldwork. Facilities like PC, laptop and PDA are applied on the working site. All of the fieldwork procedures are under of unified management including questionnaires releasing and adjusting, data retrieval and cleaning timely, quota control and progress management. It can effectively control for non-systematic errors, increase the efficiency of interviews and save money.