|
| Mailing address: | Holy Trinity College Past Students' Association, No.3, Wai Chi Street, Shek Kip Mei, Kowloon. |
| Email address: | contact@htcpsa.org.hk |
| Whatsapp: | (852) 9136 7042 |
| Website: | http://www.htcpsa.org.hk |
| Facebook: | https://www.facebook.com/htcpsaofficial |
| Instagram: | https://www.instagram.com/htcpsa.official/ |