
BOC CMHK Dual Currency Diamond Card
Bank of China (Hong Kong) · UNIONPAY
The BOC CMHK Dual Currency Diamond Card is a credit card from Bank of China (Hong Kong) on the UnionPay network. It has an annual fee of HK$3,800. It earns 0.40% on everything else. The welcome offer is 10% cash rebate on mobile payments, up to HK$300, in the first 3 months for new BOC credit card customers (offer ends 31 December 2026).
Key facts
- Annual fee
- HK$3,800
- Purchase APR
- 35.7% APR
- Foreign transaction fee
- 1% (none on renminbi in mainland China)
- Network
- UNIONPAY
- Welcome offer
- 10% cash rebate on mobile payments, up to HK$300, in the first 3 months for new BOC credit card customers (offer ends 31 December 2026)
Reward rates by category
| Category | Rate | Detail |
|---|---|---|
| Everything else | 0.40% | 1 Gift Point per HK$1 (250 Gift Points = HK$1) |
Benefits and perks
- Up to 3X Gift Points at China Mobile Hong Kong shops and eShop.
- 20,000 MyLink Points with a designated 5G plan.
Questions about the BOC CMHK Dual Currency Diamond Card
What is the annual fee on the BOC CMHK Dual Currency Diamond Card?
The BOC CMHK Dual Currency Diamond Card has an annual fee of HK$3,800.
What rewards does the BOC CMHK Dual Currency Diamond Card earn?
The BOC CMHK Dual Currency Diamond Card earns 0.40% on everything else.
Is the BOC CMHK Dual Currency Diamond Card worth it?
The BOC CMHK Dual Currency Diamond Card is worth it when the rewards you would earn on your own spending exceed its annual fee. Upload a statement to Woodo and the calculation runs against your real categories rather than an assumed budget.
Community
Approval and real earn reports from cardholders are coming to this page soon.
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