. . "Sino-Persian relations (Chinese: \u4E2D\u56FD\uFF0D\u6CE2\u65AF\u5173\u7CFB, Pinyin: Zh\u014Dnggu\u00F3-Bu\u014Ds\u012B gu\u0101nx\u00EC, Persian: \u0631\u0648\u0627\u0628\u0637 \u0627\u06CC\u0631\u0627\u0646 \u0648 \u0686\u06CC\u0646), or Sino-Iranian relations, refers to the historic diplomatic, cultural and economic relations between the cultures of China proper and Greater Iran, dating back to ancient times, since at least 500 B.C."@en .