we have dealer over 15 locations around important ports in Thailand and they are ready to be service by professional and experimental technicians, which have been trained from FURUNO head office in Japan. Because of our best service that always ready and provide standardize product. number of customers are increasing continuously. Therefore, we realize to expand business by established one subsidiary company in year 1999 name, Deep Sea Navigation Co., Ltd. which can be diversified into 3 main categories of business