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News
Zhengzhou Olympic Sports Center is the main venue of the 11th National National Games,
Recently, the official website of Beijing Academy of Landscaping Sciences released the "New Announcement of Qualified Products for Root Penetration Resistance Test of Waterproof Membrane". The announcement showed that Tianjin Binhai OTAi Waterproof Material Co., Ltd.'s TPO waterproof membrane passed the root penetration resistance performance test in August.  
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