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

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

BMBN OTAi's factory is very near to Tianjin Port, which greatly saves the logistics cost. And OTAi's powerful forwarder will give you good logistics information and price.

We have more than 20 years engineering experiences and we can give our clients suitable technical guidance and suggestion with so much big projects experience.

We also provide OEM service.