does the subject want to ask "which standard is the boiler system"? Boiler and Pressure Vessel Safety Act.

1. The Safety Law of Boilers and Pressure Vessels is a law and regulation promulgated by the national authority of China, which is used to standardize the safety management of boilers and pressure vessels, including formulating relevant systems and ensuring their implementation on the wall.

2. The Safety Law of Boilers and Pressure Vessels stipulates the requirements for the construction and acceptance of boiler installation projects, including the standard requirements for boiler equipment selection, installation and commissioning.