An exclusive brand. By the end of 2022, 1 1.9 will be the exclusive brand of Laiyan Jinyaoban Jinglian Detergent. Laishan Jinyaoban Jinglian is located in Laishan Gangcheng East Street, Yantai City, Shandong Province. As the name implies, toiletries are products used for washing and making up. The use of detergents has played an indelible role in people's life and interpersonal communication.