Privacy Policy

Effective as of January 27, 2021

Please read the below “Privacy Policy” thoroughly before using our services. The English version of the QSTAG Public Policy is a translation based on the original Korean version of the Privacy Policy. If there is any conflict between these two versions, the original Korean version of the Public Policy shall prevail.


QSTAG Co., Ltd. (hereinafter called the "Company") considers the protection of personal information to be very important and complies with applicable laws such as the “Act on Promotion of Information and Communications Network Utilization and Information Protection, ETC” and “Personal Information Protection Act” of Korea.

Through this Privacy Policy, the Company will inform you of the purpose and direction the personal information provided by the user is being used and what measures the Company is taking to protect the personal information.

The Company discloses the Privacy Policy on the menu screen of its mobile application called the QSCHECK so that users can view and access the information at all times.

This Privacy Policy is effective as of January 27, 2021. If any revisions are made, the Company will notify the users on its website announcement page (and/or provide announcements individually via message, email and so on).

What personal information we collect and how we collect it

The Company collects the following user's personal information when the user logs in to use the QSTAG service.

However, the following personal information may be generated and collected during the use of the QSTAG device(s).

Purpose of collecting and using personal information

It is used for self-identification and membership management.

It is used to provide QSTAG services.

It is used to improve services.

Retention and use period of personal information

In principle, the Company destroys the collected personal information without delay if the purpose of use is achieved. However, if it is necessary to preserve personal information in accordance with the relevant laws and regulations, the Company may retain personal information for the period set by applicable laws and regulations as shown below.

Act on Consumer Protection in Electronic Commerce, etc. (6 months).

Act on Consumer Protection in Electronic Commerce, etc. (5 years)

Act on Consumer Protection in Electronic Commerce, etc. (5 years)

The Act on Consumer Protection in Electronic Commerce, etc. (3 years)

Credit Information Use and Protection Act (3 years)

The Protection of Communications Secrets Act (3 months)

Procedures for destruction of personal information and methods of destruction

Destruction procedure:

After the purpose is achieved, the user's personal information is transferred to a separate electronic file form or a separate filing box for paper documents. This information will be destroyed after being stored for a certain period in accordance with internal policies and other relevant laws and regulations (see Retention and Use Period).  Personal information transferred to a separate electronic file form will not be used for any purpose other than retention, unless required by law.

How to destroy:

Personal information stored in the form of electronic files is deleted using a technical method that prevents the recording from being played back. Personal information written or printed on paper will be shredded or incinerated.

Providing personal information to third party

Users can install and use services that allow data sharing through platforms provided by third-party service providers. During this process, if the QSTAG service and the third-party service are provided in conjunction, the company may obtain the express consent of the user and provide the personal information to a third party to the extent necessary, and the third party who provided the personal information may also use the personal information provided only within the scope agreed by the user.

Rights of users and legal representatives and how to exercise them.

The user and their legal representatives* may exercise the following rights in relation to the personal information of the registered user or the user under the age of 14.

※ As a rule, the Company does not provide QSTAG services to children under the age of 14. Nevertheless, in the case of the collection of personal information of persons under the age of 14, the rights exercised by legal representatives are as follows:

You may exercise any of the above rights at any time by contacting the representative phone at +82-2-428-8935 or the person in question of personal information protection (telephone: +82-2-428-8935, e-mail: via written message, phone and/or email.

If a user requests correction of an error in personal information, the personal information will not be used or provided to a third party until the revision is completed. In addition, if incorrect personal information has already been provided to a third party, the company will notify the third party about the revision process results without any delay.

  1. Installing, operating, and refusing the device for automatic personal information collection.

The Company operates 'cookies' that can save and find user information at any time. Cookies are small text files sent to your browser by the server used to operate our website and are saved on your computer hard disk and mobile device.

Purposes of use of the cookies

Providing targeted marketing and personalized services by implementing automatic login functions, analyzing the frequency of access and visit times of members and nonmembers, identifying users' tastes and interests, tracking traces, and identifying the degree of participation in various events and number of visits.

Other privacy policies

Technical and administrative measures to protect personal information.

The company is taking the ensuing technical and administrative measures to guarantee the safety of personal information so that it is not lost, stolen, leaked, altered or damaged in the processing of the user's personal information.

The Company uses an intrusion control system to control unauthorized access from outside and is trying its best to ensure all technical devices necessary to secure other systemic security.

The company maintains and manages records accessed to the personal information processing system and uses security features to prevent access records from being falsified or tampered with.

Your personal information is protected by a password, encrypting your files and transmission data, and/or storing and managing them using a file lock function, and important data is protected through a separate security function.

Link site delivery policy

We may provide you with links to other companies' websites or materials. In this case, the company has no control over the sites, materials, products and services of third parties, and cannot be responsible for and cannot guarantee the usefulness of the products and services or materials provided there from them. If you click on a link contained by the company and move it to another website, please check the policy of the newly visited site as the privacy policy of the site is independent of our company.

Email Unauthorized Collection Denial Policy

The company refuses to allow unauthorized collection of posted email addresses using e-mail collection programs or other technical devices. Violations of this may be punished by the Act on Promotion of Information and Communications Network Use and Information Protection, etc.

Transmission of advertising information

The company does not transmit advertising information for commercial purposes against the user's express opt-out.

If the company has consented to the transmission of e-mails such as product information and newsletters, the company shall take measures to make it easier for the user to know, such as in the subject and body of the email, as follows:

Information on personal information protection officers, etc.

In order to protect the personal information of users and handle complaints related to personal information, the company has designated the following department and personal information protection officer.

Customer Service Department

Privacy Officer

Other institutions

Users can report any complaints related to personal information protection that occur while using the Company's services to the personal information protection officer or the department in charge. The Company will respond to users' reports. If you need to report or consult about other personal information abuse, please contact the following organizations:

Privacy Policy Version Number: 1.1

Effective as of January 27, 2021