Yes The following are some well-known children's Olympic Mathematics training institutions for your reference:

1, Mathematical Olympics. Address: Room 1 102, Unit 2, Block B, Wenjing Building, No.52 Fengcheng Fifth Road, weiyang district, Xi.

2. Super Olympiad. Address: Room 80 1, Unit 4, Block B, Wenjing Building, Fengcheng Fifth Road, weiyang district, Xi.

3. Olympic family. Address: 9th Floor, Block A, Boya International Center, No.88, South Second Ring West Road, Yanta District, Xi.

4. Olympic champion. Address: 7th Floor, Block A, Jingang City Plaza, Nanmenkou, Zhangbagou Community, Zhangbagou Sub-district Office, Yanta District, Xi City