Criteria for scrapping hooks: The hooks should be inspected regularly. If one of the following conditions is found, the hooks must be scrapped and replaced. 1. When the surface has cracks and cracks, the opening is increased by 15% compared with the original size. 2. Dangerous section and hook neck have permanent deformation, torsion deformation exceeds 10 degrees; 3、 The wear of the section of the hanging rope is more than 10% of the original height. 4. Plastic deformation occurs in dangerous section and hook shaft.
PINTEJIN Rigging lifting sling now has become leading enterprise in China. And we are creating the largest-scale and metal forging workshop.PINTEJIN has the complete production line from raw material to finished products. Each processing has independent workshop, making lifting sling, ratchet strap, car towing belt from 0.5T to 3000T. We are capable of finishing big order quickly.