Domestic same profession first obtains Country Production certificate Enterprise, lifts heavy objects the transport machinery quality surveillance test center examination after the country, obtains the national special equipment pattern experiment qualified report, the production certificate serial number: NO.TS2437071-2009, the country quality monitoring is literate 088, (2000) quantity recognizes (country) character (A0283), the special equipment pattern experiment organization approves the serial number: TS7610004-2004.