Since its establishment, Yirentang has been committed to the cause of loving care and health in accordance with the business principles of "keeping virtue and kindness in mind, cultivating the body, and practicing benevolence". The KN95 mask produced by Yirentang has passed all the tests of GB2626-2006, GB2626-2019 and the EU standard of EN149:2001 + A1:2009. The CE certificate is being processed and has been certified by SGS and ISO-9001-2015. Mr. Chu Jiuyi, the founder of Yirentang, adheres to the principle of "health without trifles and masks to save people's lives". For the hygiene and safety of mask production, the business philosophy of "not to indulge in trivial matters, not to profit inferior materials", requires all "Yirentang" people to have a reverence for products, have no children's play in life, attach importance to raw materials, and refine each production link to ensure the perfection of products.
Adhering to the traditional Chinese medicine sentiment of "upholding morality and benevolence" which has been spread for thousands of years, Yirentang has been adhering to the self-discipline consciousness of "keeping virtue and benevolence in mind and cultivating benevolence in body" since its establishment, and has been conscientiously abiding by and striving for perfection to create sanitary masks with conscience in the industry and in line with international health standards. Its products are famous for their high quality materials, exquisite details and exquisite workmanship. Although the products are non-medical products, Yiren Tang still adheres to the concept of "don't indulge in less things, do not be heavy and lazy", and requires all employees to have a reverence for life and health, pay attention to the quality of products, and conduct supervision and supervision personally to ensure the production The product is perfect and perfect, so that the old and the young are not cheated and have a clear conscience.