| 摘 要： | IN the courtyard of Beijing Ren- chuang Technology Co., Ltd. the ground is covered with colorful water-permeable bricks -- the same bricks that have been used in Olympic venues such as the ＂Bird＇s Nest,＂ ＂the Water Cube＂ and Shunyi Olympic Rowing-Canoeing Park. Renchuang is loeated in an eco-industrial park in Miyun County on Beijing＇s outskirts. Office supervisor Yang Shihu explains, ＂Our company holds the patent on the ecological brick both in China and abroad. The permeated rainwater is used as a coolant on production lines, or for landscape irrigation.＂
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