(1) During the use of the spanger, if the rotation of the lock is not flexible or not in place, the adjusting nut should be checked, and then ...
The hook is divided into single hook and double hook according to its shape;The hook is divided into forging hook and laminated hook according to...
1, shackle should be smooth, do not allow cracks and other defects, sharp edge, burning. 2, prohibit the use of cast iron or cast steel shack...
Rigging is more common in steel wire rope, mainly used for hoisting, traction and tension, because of the high strength and good toughness has bee...