天津保税区坐落在世界著名的长芦盐场旧址，面积约 7平方公里，自然条件非常恶劣。然而，曾由于改革开放大潮的推动，保税区人仅仅经过几年的艰苦创业，已把保税区建成一个高楼林立、绿草茵茵的对外开放的窗口。已有 32个科、 58个属、 80多种植物、 40余万平方米草皮在盐碱滩 Tianjin Free Trade Zone is located in the world-renowned Changlu saltworks site, an area of ​​about 7 square kilometers, the natural conditions are very poor. However, thanks to the tide of reform and opening up, the Free Trade Zone has just completed a few years of arduous pioneering and has built the bonded area into a window open to the outside world with high-rises and green grass. There are 32 families, 58 genera, 80 kinds of plants, more than 400,000 square meters of turf in saline beach