The difference between Zhong Jiujiu and the doctor is that the doctor can only customize a clock with his ID card in his life, and Zhong Jiujiu can only "receive" or "buy" once in his life, regardless of gender. Clock has long meant "love your life and never give up". Since the birth of the brand, it is strictly stipulated that both men and women can only "receive" or "buy" once in their lives and give it to the only person they love in this life.

Zhongjiujiu is a jewelry brand launched by Zhongjiujiu (Shandong) Jewelry Co., Ltd.; Tailored for modern young couples, a series of products have been launched. For a long time, the bell means "love life and never give up".