In September 1992, the Danish office of Siya International Trading Co., Ltd. was established in Nanjing.

In September 1992, Sino-foreign joint venture Nanjing Siya Real Estate Development Co., Ltd. was established.

On June 23, 2002, it was renamed "Nanjing Siya Group Co., Ltd.". As a result, Siya Group officially began the process of group development.

In October 1998, Nanjing Gelray Industrial Co., Ltd. was established.

In September 2000, Siya Garden Hotel was officially opened.

In May 2002, Nanjing Siya Group Co., Ltd. real estate development company was established.

In February 2003, Nanjing Juying Cultural Communication Co., Ltd. was established.

In January 2006, Nanjing Shibang Property Management Co., Ltd. was established.

In November 2006, Nanjing Jifu Real Estate Consultant Co., Ltd. was established.

In November 2006, Nanjing Liangxing Trade Co., Ltd. was established.

In April 2007, Nanjing Bosley Decoration Engineering Co., Ltd. was established.

In September 2007, Nanjing Tongya Real Estate Co., Ltd. was established.

On January 10, 2011, Nanjing Siya Property Management Co., Ltd. was established.

On February 8, 2012, Nanjing Siya Asset Management Co., Ltd. was established.

On March 14, 2012, Nanjing Siya Group Co., Ltd. Xuanwu Branch was established.

In 2015, a biotechnology company was established.

In 2016, Nanjing Youss Health Management Co., Ltd. was established.

On September 4, 2017, Nanjing Purui Medical Beauty Clinic Co., Ltd. was established.