Contact
Tell us about the systems you run and what needs to change.
A short description is enough. Within one business day, we will ask follow-up questions, suggest a scope or tell you if we are not the right fit.
What happens next
- 01The page shows your reference number.
- 02The team that would handle the work will reply within one business day.
- 03If there is a fit, we will suggest a 30-minute introductory call.
Choose your region
- Outside mainland China →Contracts are in USD. We deliver remotely.
- Mainland China →Contracts are in CNY. We issue VAT invoices for our fees.
- Hours
- Monday to Friday, 09:00 to 18:00 China Standard Time (UTC+8), excluding public holidays in mainland China.
- Other channels
Post: OPA (Tianjin) Technology Co., Ltd., Room 218, 2F, Block A, Minglida Electronics Building, Anshan West Road, Nankai District, Tianjin, China
- Privacy requests
- To access, correct or delete personal information, select “Privacy or personal-data request” in the form or write to us by post. See the Privacy Policy.
- Security reports
- Select “Security vulnerability report” in the form. See how to report.