The Dasso Group is based in Hangzhou China with 10 manufacturing facilities and over 1000 employees. With our own Design and R&D Departments, Dasso is constantly creating innovative new products from Bamboo. Learn more about the Dasso Group TW Flooring Group This website was created in support of the North American market and TW Flooring Group - whom Dasso assigned exclusive North American sales, marketing and service rights to for all their Bamboo Products. Eco Timber TW Flooring Group then utilizes their EcoTimber channel to service the growing green building product dealer network with both Dasso bamboo products and Tesoro Woods ecologically sourced wood products. Learn more about EcoTimber.