There are many types of tensioners, which can be divided into 1" ratchet buckle , 2" ratchet buckle, 3" ratchet buckle, etc. according to the size. We all know that the tensioner is used when the goods are transported and moved, which can protect the goods from damage to a large extent. When we use the tensioner, we should distinguish between the hook type and the non-hook type. Hook type:...