Technical Support

RMA & DOA service

Service application procedure

Step 1

Sales support

1st inspection by the partner in case of RMA and DOA

Step 2

Service center

Call or Email to HDN
with information

HDN customer service center

Step 3


Fill out RMA & DOA form
on the website and send the equipment
with the printed form to HDN factory

HDN Manufacture Division

  • #407, Building D, Indeogwon IT Valley , 40, Imi-ro, Uiwang-si, Gyeonggi-do, Korea
    Zip code: 16006

Service application procedure

Please print and include the application form along with the product.

Service type

Customer Company TEL FAX
Name TEL E-mail
Partner Company TEL FAX
Name TEL E-mail
Product info No Model Serial No. Symptom of fault
Address to receive serviced product Company TEL FAX
Name TEL E-mail
Problem Symptom Business Impact Others

◎Personal information collection/use items and purpose (required)◎
- Handream notifies and guides the following matters in accordance with relevant laws and regulations regarding the collection and use of corporate/organizational and personal information.
1. Purpose of information collection: membership registration, product consultation, technical inquiry, A/S management, public relations marketing, event, newsletter
2. Collection/use items: company/organization name, name (person in charge), contact information, e-mail, consultation details
3. Retention and use period: Immediately upon withdrawal of membership or deletion request from the information provider
4. Person in charge of personal information processing: 1661-6650 /
* You have the right not to agree to personal information and use, and if you refuse to agree, you will not be able to sign up for membership.

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