1、GB/T 24803.1-2009 电梯安全要求 第1部分：电梯基本安全要求；
Some mandatory national standards on elevator/escalator has been switched to recommended ones since March 23, by both General Administration of Quality Supervision, Inspection and Quarantine of the PRC and Standardization Administration of the PRC. The changes are as follows.
1. GB/T 24803.1-2009 requirement for elevator safety, Part I: essential requirements for elevator safety.
2. GB/T 24804-2009 improvements for safety specifications of elevator on service.
3. GB/T 25856-2010 safety specifications of the manufacturing and installation of cargo elevator.
4. GB/T 30692-2014 improvements for safety specifications of escalators and moving walkways on service.
5. GB/T 31094-2014 safety specifications of the manufacturing and installation of explosion-proof elevators.
6. GB/T 26465-2011 safety specifications of the manufacturing and installation of fire lifts.
7. GB/T 8903-2005 elevator ropes.
