China–Indonesia relations the 4th largest population in the world. Both nations are the members of APEC and G-20 major economies. According to a 2014 BBC World Service Poll, the opinion of China among Indonesians remains strongly positive and stable, with 52% of positive view compared to 28% expressing a negative view. The relations between imperial China and ancient Indonesia commenced during the 7th century, possibly earlier. Indonesia was part of the maritime Silk Road connecting China with India and the Arab world. Numerous Chinese ceramics were discovered throughout Indonesia, suggesting ancient trade links between both countries. The National Museum of Indonesia has
National costume of Indonesia fitting women's "kebaya" and tailored "batik" shirt for men is the example of traditional clothing that today transcends ethnic boundaries in Indonesia and has become a national costume. Other than those two, there are numbers of tailored clothings or shirt developed in Indonesia. Each different region, island, tribe, and culture in Indonesia has its own head-dress/head-gear worn traditionally by the particular people of the area. The "peci" or "songkok" is the national formal head-dress worn by men all over Indonesia, usually worn by government officials. Men's head-dress are usually made of traditional fabrics, while women's head-dress often consists of metal