Siam DENSO Manufacturing Co., Ltd. (SDM) and Siam KYOSAN DENSO Co., Ltd. (SKD) welcomed 14 staffs from Ministry of Industry and Commerce, Lao People’s Democratic Republic and Hongsa Power Co., Ltd. for their study visit. The purpose of the visit was to observe good environmental management at the site in the field of energy management, biogas production, wastewater management, waste management, and DENSO Eco Park. This was to build organizational relationships with each other and share environmental management knowledge to government agencies and private firms of our neighboring countries which can be applied for their further development.