0.9x12m concrete precasting culvert inflatable balloons, US $ 35 399 / Unit, Hebei, China, JINGTONG, 80mm-3000mm diameter.Source from Hengshui Jingtong Rubber Co
China Road and Bridge Engineering Construction Rubber Pneumatic Formwork, Find details about China Pneumatic Tubular Formwork, Culvert Construction from Road and Bridge Engineering Construction Rubber Pneumatic Formwork Qingdao Bless