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Support, data requests, supplier onboarding, partnerships — one team, answers within one business day.

E-mail us

There is no web form — messages go straight to the support inbox so nothing gets lost. Include the VIN, the OEM part number or the page you were on; it makes answers much faster.

John@cjonhk.com

Or reach us on WhatsApp, Telegram or the phone — see the panel next to this one. We reply within one business day.

Direct channels

Response time

Within one business day. Supplier onboarding and fitment corrections are prioritized — wrong data hurts everyone.