Seito group based in Hangzhou China has been the world leader in innovative bamboo products for more than 25 years. daso has 8 manufacturing facilities over 1000 employees and a design and research center. Seito is the first bamboo leader to introduce and introduce Dasoxtr to the market globally, including China usa europe australia singapore malaysia etc. in 2017 new parallel series of exterior bamboo products comes out which can be used stably and environmentally. Thatoxtr and Thatoctech