Phyllostachys Nigra "Black Bamboo' is a very unique and sought,Website:http://www.tonkinbamboos. ... China,the diameter from 15-50mm,bamboo poles use for decoration,This exotic species is very popular for indoor and outdoor decoration Markings ... -20mm,20-25mm,25-30mm,30-35mm,35-45mm poles for sales,for fence,usually we sale diameter 18-22mm,25-28mm ...