2018-04-04 https://www.htsc.com.hk/news/Changes in accounting policies and proposed amendments to the articles of association

2018-04-04 https://www.htsc.com.hk/news/Monthly Return of Equity Issuer on Movements in Securities

2018-04-04 https://www.htsc.com.hk/news/Results announcement for the year ended 31 December 2017