Tianjin Economic-Technological Development Area (simplified Chinese: 天津经济技术开发区; traditional Chinese: 天津經濟技術開發區; pinyin: tiānjīn jīngjì jìshù kāifā qū), commonly abbreviated as TEDA (simplified Chinese: 泰达; traditional Chinese: 泰達; pinyin: tài dá; literally: "peace and prosperity") is the main free market zone in Binhai, Tianjin, China.