For example, what records, is not to monitor what the third party? The More
Anti-dropper to do third-party testing, and report
Important parts replacement need to transform the qualification, procedures update ladder, according to the new ladder standard test.
Elevator overhaul formalities; first reported to the local special inspection hospital, to be approved after the overhaul, overhaul units have a large valve, such as the replacement of accessories or changes to the procedures. And then need to test the local special inspection again before the normal use.
Anti-dropper to do third-party testing, and report...