Technical Support


Technical Support

Service Hotline

Phone: +86 21 5812 0810
Mo-Fr: 8:30 a.m. - 5:30 p.m. (GMT+8)

If you have questions concerning operation, ordering spare parts, repairs, maintenance contracts, returning old equipment or guarantees, you can reach our International After Sales team by telephone and by E-Mail.

You have questions about IQ/OQ qualifications and the creation of test plans for your PQ? Write directly to and our experts will be happy to support you.

Customer Service outside China

Feel free to contact us directly if you are a dealer or service center.
You are an end customer and have a question about our products? Your local radobio dealer will be happy to help.

Service Hotline USA

Phone: (+1)202-247-5566
Mo-Fr: 8:00 a.m. - 5:00 p.m. (GMT-5)

Goods receiving department

Room 906, Building A8, No. 2555 Xiupu Road
201315 Shanghai

Mo-Fr: 8:30 a.m. - 5:30 p.m. (GMT+8)

For returns, please request a return note (RMA) at For returns without RMA, we reserve the right to refuse acceptance.