1. According to Aiqi's inquiry, the date of establishment is different: Amdo is a subsidiary of ARDO in China, 2011; An Lifang was founded in 1975.
2. Different products: Amdo is mainly responsible for operating a series of breast milk storage products and breast care products such as manual breast pumps, electric breast pumps and medical breast pumps; Ann Li Fang mainly deals in underwear products.