최근 중국인이 일본인 보다 월등히 앞서고 있다
<iframe width="1070" height="1903" src="https://www.youtube.com/embed/ct5ngJgn55s" title="Portable rock slab tile chamfering cutting machine #stonemachine #stonecuttingmachine" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>