Mr.Tatsuaki Hiratani, Vice President of Siam DENSO Manufacturing Co., Ltd. (SDM) welcomed 53 visitors from Panasonic Group Companies in Asia Pacific for their visit at SDM and Siam KYOSAN DENSO Co., Ltd. (SKD). The aim of the visit is to obtain an overview of environmental management including technologies and innovations for the improvement in manufacturing operation of the companies. During the visit, Panasonic Group Companies has observed in the related environmental activities such as the development of energy management system, waste reduction by Biogas system, Corporate Social Responsibility activities, and DENSO Eco Park. The expected results are to exchange knowledge on environmental and energy management and apply it to their further development.