Indonesia

Indonesia is one of the founding countries of the Association of Southeast Asian Nations, the largest economy in Southeast Asia, and a member of the G20. It has strong aerospace technology. Oil resources can achieve net exports. Indonesia was a member of the Organization of Petroleum Exporting Countries (OPEC) from 1962 to 2009 and is currently rejoining the organization. In 2022, Indonesia's gross domestic product reached IDR 17871.9 trillion (approximately USD 1.78 trillion), a year-on-year increase of 5.31%; The per capita GDP is 4783.9 US dollars.

custom：
The Indonesian ethnic costume "Batik" shirt is made of traditional batik fabric and is known as the "national costume". In formal occasions, men can wear a long sleeved Buddy shirt and dark pants. Ladies usually wear Buddy or other fabric suits.
 
Prohibition of eating pork and alcohol; Men generally do not take the initiative to shake hands when encountering women. If the other party extends their hand, they can gently shake hands; Believing that the left hand is unclean, there is no need to accept gifts or submit items with the left hand; Indonesians consider it rude and impolite for strangers to touch their heads. 
 
religion：
About 87% of people in Indonesia believe in Islam, making it the country with the largest Muslim population in the world, with the majority being Sunni. 6.1% of people believe in Protestantism, 3.6% believe in Catholicism, and the rest believe in Hinduism, Buddhism, and primitive fetishism. 
 
festival：
 
Islamic Eid al Fitr and Eid al Adha; National Awakening Day (commemorating the establishment of the Indonesian ethnic movement organization "Zhishan Society" in 1908), May 20th; Independence Day is August 17th.
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