When did Barzen Holdings go public?

In 2000.

According to the website of Bilesheng Holding Company, Bilesheng Trading Co., Ltd. was founded by Bilesheng Holding Company, a large Japanese education group, on 1955. It was listed in Tokyo in 2000.

Bilesheng Trading Co., Ltd. aims to provide exquisite and high-quality books and toys for the healthy growth of children in China, and strive to create a unique boutique in the field of children's education in China.