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Customer service team:
Service time:
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Tel: +86 2266331999 Ext.265

 Fax: +86 2266331998

Direct Line : +86 15222 410519

Email: info@otaiwaterproof.net 


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Otai is a professional polymer waterproof system supplier. With the concept of innovative development, we have obtained a number of honors and certificates in the field of waterproofing, and constantly strive to become the waterproofing industry leader.

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Certificate of Vice President of Single Roof Technology Branch


FM Certficate for TPO membrane



Business License