They are

• Eyeball (1975)
• From Beyond (1986)
• The Legend of Fong Sai Yuk Collection (1993)

All in HD and 4k.

Tech specs: Blu-ray.com, which also gives upcoming releases with no set release dates:

• Apartment Wife: Affair in the Afternoon
• Barfly
• Knife Under the Throat
• Mortuary
• Virgin Witch