Head Office​

+852 2552 6568

onlinesales@obmghk.com

​21F, Unit D, E Tat Factory Building, 4 Heung Yip Road,Wong Chuk Hang, Hong Kong.

Engineering & Service Department​

+852 2552 6568

service@obmghk.com

​15F, Unit C, E Tat Factory Building, 4 Heung Yip Road,Wong Chuk Hang, Hong Kong.

2 minutes walk from Wong Chuk Hang MTR Station, Exit A2​

Hours | Monday - Friday 9:00 – 18:00