Opec Trading Limited Unit 1304, 13th Floor, Hermes Commercial Centre, No. 4 Hillwood Road, Tsimshatsui, Kowloon, Hong Kong
Natural gemstones and jewelry:
+852-51863438
Lab-grown and synthetic gemstones and jewelry:
+852-46440221
Mondays to Fridays: 9.30am – 6.30pm
Saturdays: 9.30am – 12pm
Sundays & Public Holidays: Closed
