BOC CMHK Dual Currency Diamond Card

BOC CMHK Dual Currency Diamond Card

No ratings yetNot yet rated

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).

Verified 5 Oct 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

Reward rates for the BOC CMHK Dual Currency Diamond Card by spending category
CategoryRateDetail
Everything else0.40%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.

Not sure this is the right card for you?

Upload a credit card statement and Woodo works out what you actually spend by category, then ranks every card in the catalog against your own numbers. No bank login needed.

Upload a statement