[2] Due to the change of ownership of the holding company, Yellow River Chemical Industry also renamed to Baotou Tomorrow Technology Co., Ltd. on 3 September 1999.

[7] According to a publication of Tsinghua University Press, Baotou Beipu Industry was in fact 100% owned by Beijing Beida Tomorrow Resources Technology at that time.

[8] Yellow River Chemical Industry also sold a subsidiary to Beijing Beida Tomorrow Resources Technology CN¥20.94 million on 23 December 1998.

[8] In 2002 Tomorrow Technology acquired 34% minority stake of Shandong Taishan Energy (Chinese: 山东泰山能源) for CN¥252.1 million from Xinwen Mining Group [zh].

[15] In March 2008, Tomorrow Technology acquired 49.4% stake of Inner Mongolia Ronglian Investment Development (Chinese: 内蒙古荣联投资发展) for CN¥400 million.

[23] In the same year, the entire share capital of a subsidiary: Lijiang Derun Property Development (Chinese: 丽江德润房地产开发) was sold for CN¥380 million.

[25] In 2016 Tomorrow Technology planned to sell their minority stake (34%) on Taishan Energy to Tiāntiān kējì (Chinese: 天天科技; lit.

[28] Zhengyuan Investment was majority (30%) owned by an indirect subsidiary (90% times 99.99% stake) of Beijing Beida Jade Bird (Chinese: 北京北大青鸟) from 2008 until 2012.

The ownership also made Beida Jade Bird Universal Sci-Tech (SEHK: 8095) becoming the sister company of Tomorrow Technology, as they both controlled by Jade Bird Software, as well as making Cinda Real Estate (SSE: 600657) as related parties, as Zhengyuan Investment owned 6.56% shares as the third largest shareholder.

Circa 2012 or 2013, Beijing Beida Jade Bird sold all their 30% stake on Zhengyuan Investment to parties other than Tomorrow Holding.