Hellow guys, Welcome to my website, and you are watching 강관 배관 그루브 조인트(고정식 카플링) 설명, 설치방법 (리얼 공사현장 배관설비 스토리). and this vIdeo is uploaded by 청년 배관공들 이야기 at 2020-07-05T07:43:33-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
