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A dedicated engineer responds within 24 hours.
Project engineers respond directly
Quotation, technical data, and installation review — all complimentary. Response within 24 hours, Mon–Fri 09:00–18:00.
Contact information
Quick consultation
For urgent inquiries, please call. (Mon–Fri 09:00 – 18:00 (closed weekends and holidays))
02-477-3440Frequently Asked Questions
Common questions customers ask before contacting us.
How do I request a product quotation?
Submit the inquiry form, call +82-2-477-3440, or email seolin3440@naver.com. Please include product specifications, quantity, and project site. We reply with a formal quotation within 1-2 business days.
Can I receive technical documentation (drawings, datasheets, certificates)?
Yes. We provide installation drawings, product datasheets, test reports, and certifications. Specify the documents you need and the target project when you contact us.
Do you export overseas?
Yes. We have export experience in Southeast Asia, the Middle East, and Latin America. English-language datasheets and certificates are available. For export inquiries, use the contact form or email seolin3440@naver.com.
What are typical lead times?
Standard stocked items ship within 3-5 business days. Made-to-order items take 2-4 weeks depending on specifications and quantity. Exact schedules are confirmed in the quotation.
Can I visit your headquarters or factory?
Yes, by appointment. The Seoul (Gangdong) head office and Chungbuk (Eumseong) factory both accept site visits. Include your preferred date in the inquiry form, and a representative will contact you.
What certifications and test reports do you hold?
KS certification, ISO 9001/14001, plus registered supplier status with Korea Land & Housing Corporation (LH), Korea Expressway Corporation, and Korea National Railway. The full list is on the About > Certifications page.