【结好时间】天津市与日本四日市市于1980年10月28日正式建立友城关系。

【城市特色】四日市市是三重县和名古屋大城市圈西南部的中心城市，是日本石油化工联合企业基地。主要工业包括石油化工、食品加工、陶瓷制造业、精密仪器等，近年来重视发展高新技术产业。同时，该市在治理大气污染、环保人员培训方面成效较突出。

【合作领域】天津市与四日市市在经贸、节能环保、文化体育、教育卫生、青少年交流等领域开展了富有成效的交流与合作。

【Established Date】Tianjin and Yokkaichi of Japan officially established friendship-city relations on October 28, 1980.

【City Characteristics】Yokkaichi is the central city of Mie Prefecture and the southwest of Nagoya metropolitan area, and the base of Japanese petrochemical complex. Its main industries include petrochemical industry, food processing industry, ceramic manufacturing industry, precision instruments, etc., and in recent years, attention has been paid to developing high-tech industries. At the same time, the city has made outstanding achievements in air pollution control and environmental protection personnel training.

【Cooperation Fields】Tianjin and Yokkaichi have carried out fruitful exchanges and cooperation in economy and trade, energy conservation and environmental protection, culture and sports, education and health, youth exchanges and other fields.