The Standing Committee of the National People's Congress (NPC), China's top legislature, closed its legislative session Saturday in Beijing.

The top legislature adopted the amendment to the Patent Law, the Biosecurity Law, the revision to the Law on the Protection of Minors, the Export Control Law, the amendments to the National Flag Law and the National Emblem Law, as well as the amendment to the Electoral Law of the National People's Congress and Local People's Congresses.

President Xi Jinping signed presidential orders to promulgate the above laws.

Li Zhanshu, chairman of the NPC Standing Committee, presided over the closing meeting, which was attended by 166 NPC Standing Committee members.

At the meeting, Li stressed earnestly implementing the passed laws and undertaking publicity activities to increase the public appeal of the new legislation.

The lawmakers ratified amendments to the annexes to the Basel Convention, as well as extradition treaties with Cyprus and Belgium, respectively.

They also adopted other items on the session's agenda, including deputies' qualifications and personnel matters.

After the meeting, Li presided over a lecture.