Hellow guys, Welcome to my website, and you are watching (패션섬유기초) 폴리에스테르 DTY, ITY, ATY (폴리에스터 가공법) / SB, SD, FD. and this vIdeo is uploaded by 홍전무의 섬유이야기 at 2021-08-01T04:00:10-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.