
BNBM OTAi Polymer Waterproof System (Tianjin ) Co., Ltd. is specialized in manufacturing high quality polymer waterproof membranes such as TPO, PVC, HDPE, Bitumen and waterproof coatings. In 2014, OTAi set up a joint venture company with Acme Cone Company in USA.


Our Mission
Provide high quality products, competitive price and considerate service for every customer. Strive to become a long-term partner with each of our customers, to achieve the benefits of win-win.


Our Vision
Dedicate to the development of waterproofing industry with innovative materials and complete solutions.


All our products have passed strict quality inspection. Welcome your inquiry and visit us!
The product is a high-quality waterproof product with independent intellectual property rights produced by BNBM Waterproof after digestion, absorption and improvement on the basis of a complete set of imported Spanish equipment, technology and formula. It has the characteristics of high elongation, water pressure resistance, corrosion resistance and strong deformation resistance, which is very suitable for underground waterproof engineering.

All our products have passed strict quality inspection. Welcome your inquiry and visit us!

All our products have passed strict quality inspection. Welcome your inquiry and visit us!






