This product is made in Korea by Motex Products Co, LTD.
The manufacturer holds numerous certifications such as ISO 9001: 2000/Cert No. 3142, ISO14001: 2004/Cert No. 3282, E.M.
MARK, N.T. MARK, The Republic of Korea's Industrial Service Medal Certification etc.
When you use it, you will be able to see the difference from the cheap ones.