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Uploaded on 1 year ago

Otai is only focus on high polymer waterproofing materials . because of focusing ,so we are professional .
we provide high quality TPO membrane , PVC membrane , preapplied HDPE membrane in different types and thickness . and many kinds of prefabricated waterproof flashings for roofing and underground waterproofing projects .we have CE certificate ISO cerfifiate . Good quality , reasonable price and professional service .