Cold acidity is one of the earliest domestic toothpaste brands in China, and it is the leading brand in the field of anti-tooth sensitivity and the first brand of domestic toothpaste in China. Chongqing Dengkang Oral Care Products Co., Ltd. as the chairman of the China Oral Cleaning and Care Products Industry Association, Dengkang has always been to "improve the oral health of the public" as the mission of the enterprise, the cold acid spirit as the main brand of Dengkang, has always been adhering to the understanding of the consumer oral health care needs, determined to "bite the oral cavity not to be". As the main brand of Dengkang, Lengcheng has always insisted on understanding consumers' oral health care needs, determined to "bite the oral cavity not to relax, the root of the teeth in the oral cavity" industry positioning, adhere to the social responsibility of the national brand, in-depth research, intensive cultivation, full of enthusiasm and care for the people's oral health, is committed to the research and development of high-quality preferential oral care products suitable for the people's oral health care, to enhance the overall level of oral health care.