Korean nuclear power patent
In terms of safety and reliability, the top five slings in the world are 1 German Delage Group (American and European standard participants), American Certex Group (American standard participants), Japanese Ghost Head Group (Japanese and American standard participants), Dutch Green Sales Group (European standard participants) and American Ankara Group (American standard participants). These enterprise groups have a history of hundreds of years, and they are all participating units of European and American sling standards, with many invention patents and product liability insurance of hundreds of millions of yuan. I hope I can help you.