
ABOUT KNK
KNK is a manufacturing company specializing in the development and ODM production of oral care products. We support our clients in launching products more quickly and reliably by providing integrated management of the entire process, from product planning and design to molds, production, and quality control.
Toothbrushes

Electric Toothbrushes

Interdental Brushes

Oral Care Products

KNK GROWTH 1.
KNK is a specialized ODM company that supports the development and production of toothbrushes and oral care products. We realize ideas into products ready for actual market launch.
As of 2025
Global Customers
Annual Production
Volume
Monthly Production
Capacity
Patents & Certifications
KNK GROWTH 2.
KNK has been recognized for its growth potential and expertise through a wide range of domestic and international certifications and corporate designations. Through these achievements, we deliver reliable quality and stable services that our customers can trust.
Certification /
Designation
Supporting
Documents
Corporate Research Institute Certificate, Corporate Research Institute Personnel Status Report
Venture Business Confirmation Certificate, Material & Components Specialized Enterprise Confirmation Certificate, SME Confirmation Certificate
Global Small Giants Company Designation, Global Small Giants 1,000+ Designation, Global IP Star Company
Factory Registration Certificate, Smart Factory Support Program Agreement, Smart Factory Implementation Agreement
Food Import Business Registration Certificate, Production Liability Insurance Certificate
Shared Growth Enterprise Confirmation Certificate, Work Innovation Action Plan Certificate
1. Purpose of Collection and Use
KNK Co., Ltd. collects personal information for the following purposes:
- Processing and responding to OEM/ODM inquiries
- Providing product information, samples, and quotations
- Follow-up communication regarding business partnership
- Customer support and after-sales service
2. Items of Personal Information Collected
Required: Full name, brand/company name, phone number, email address, country, headquarters location
Optional: Website URL, inquiry details
3. Retention and Use Period
Personal information is retained for 3 years from the date of collection and is then securely destroyed, unless a longer retention period is required by applicable law.
4. Sharing of Personal Information
KNK Co., Ltd. does not share personal information with third parties except:
- When the user has given prior consent
- When required by law or a government authority
5. Rights of the Data Subject
You may request access to, correction, deletion, or restriction of your personal information at any time by contacting us.
6. Right to Refuse Consent
You have the right to refuse consent. However, without consent, we may be unable to respond to your inquiry.
7. Privacy Officer Contact
KNK Co., Ltd.
119, Myeonghaksandan-ro, Yeondong-myeon, Sejong-si, Republic of Korea
Email: info@knkbrush.com
Tel: +82-44-862-3729
Effective Date: January 1, 2026