Dear Concern,We are a company from United States of America. We are interested in your Made in Korea, CE Approval, Advanced Technology, so we contact you through Alibaba.We kindly ask you to send us the informations about the product of the followings specifications:Use,Warranty,Certification,What's the shipping cost to United States of America by air?Looking forward to hearing from you.With RegardsRashayiDhoro Carpentry and Joinery Show More