Hellow guys, Welcome to my website, and you are watching [용접학원] 카본 용접강의영상. and this vIdeo is uploaded by 오팀장 배관용접연습학원 at 2022-01-17T20:51:51-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
