Tianjin Binhai OTAi passed the root penetration resistance performance test

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.