Shanghai TopYum Bio-technology Co., Ltd. has been focusing on the research and development of green, healthy and innovative taste-related products since its establishment. TopYum insists on independent development, production and sales and has become a specialized supplier of high-tech food materials. TopYum has successfully developed many taste-related products with their own intellectual property rights, such as the cooling agent "CoolSense" and Sweetner "JoySweet" and has become the leader in...