Roquette (China) Nutritional Food Co., Ltd. is located in Lianyungang, Jiangsu. Its parent company is the world's largest producer of polysaccharide alcohols and one of the most advanced producers of starch derivatives. In order to better manage the energy consumption of the plant, our cold and heat meters have been successfully applied to the energy supply pipeline of nutritious food in the Roquette plant to realize the heat loss measurement of the ultra-low temperature refrigerant.