... is specialized in producing and selling Dredginghoses, Oil hoses, Rubber fenders and other rubber products.We have ... Self-floating single-frame and double-frame oil hoses, which have been certificated by theInternational authority organization ... of dredging hoses, including the common sludge discharge hoses; self-floating sludge discharge hoses, tapered sludge discharge hoses, armored hoses, suction ...