Tianjin iron owl lifting products sold high quality? Low price? Good service? Stresses credibility? Welcome to inquire and look forward to cooperating with you. Caller: 1`3`7`5`2`4`2`5`8`1`9 ?? Q: 2788869454 1. only won the British SGS ISO 9001 certification??. ? 2. German Security Certification Consortium BG-PRUFZERT product certification form. ? 3. But also by the American Bureau of Shipping ABS. The Norwegian Bureau of Shipping DNV. ? 5. South African National Standards Laboratory SABS full range of product quality certification. ? 6. CSA Canadian Standards Organization certification. Transaction process: After confirming good product and customers, we will sign a contract (the contract will be accompanied by product images). After the customer money, we arrange the shipment after shipment, we will notify the customer service staff note that check, logistics usually 5 days to pieces, within three days of delivery, dispatch can send SF, all for the "do not affect customers first." We will send a separate express ticket to avoid lost or damaged cargo. ? Rotating hook a connection with other rigging accessories, and can be arbitrarily changed 360 degrees hoisting hook angle and rotation. "Rotating hook Note: 1, based on usage regularly check the hook for up to 2 not more than one month, using the product that hook rotation is not flexible, you should stop using 3, found the plastic hook appears. deformation should immediately stop using the 4, 5 Do not overload use when lifting crane was forbidden to stand under the "revolving hook safety inspection: 1, human-powered lifting mechanism with hooks to 1.5 times the rated load as a test load test. 2, the power-driven lifting mechanism with hooks to 2 times the rated load test as a test load. 3, hook lifted after test load, there should be no obvious defects and deformation, increase the amount of opening of the original size should not exceed 0.25%. 4. inspection of the hook, the hook should be printed in low stress areas mark, including the rated capacity, factory standard, or the name and logo testing, production number and so on.