We provide high quality varies series polymer waterproofing materials (TPO membrane ,PVC membrane ,Pre-applied HDPE membrane and all kinds of prefabricated supporting accessories )

There are professional sales teams ,will give you good communication service and let you have good purchasing experience .

Otai factory is very near to Tianjin Port which good saving the logistics cost .and Otai powerful forwarder will give you good logistics information and price .

We have more than 20 years engineering experience ,big projects experience ,can give our clients suitable technical guidance and suggestion .

We provide OEM service.