Liú qiú guó / céng / yǔ / Zhōng guó / hé / Rì běn / bǎo chí / mì qiè / de / mào yì wǎng lái琉球国曾与中国和日本保持密切的贸易往来。The Ryūkyū Kingdom once maintained close trade relations with both China and Japan.