Introduction Dear customer! We are making the best effort to realize the environment friendly green management system witch considers the customer and environment as a company of social responsibility with the exploring the elite, creation of company value and transparent ethical management by means of environment friendly technology competence through the respect to human, new technology development and strengthening the quality competitiveness with advanced new ways of thinking. We, Duksan Cotran will make an aggressive R&D investment in the future and develop the best product with the environment friendly technology competence as a special company for freezing and air conditioning industry, at the same time, we will promise once again to approach to the customer as a more trusted company by selecting the improvement of the freezing and air conditioning technology competence including precision air condition and introducing the environment friendly green management skill to grow with customer. We kindly request your consistent interest and encourage to us. Thank you. Representative Director of Duksan Cotran, Hwan Soo Kang chiller , Precision Air Conditioner, heat-pump, Water Temperature Controller, Oil Temperature Controller, air handling unit , heat pump, AIR COOLER, thermostat water heater, water heater, hot water thermostat, hot water heater :