Jiangsu Double Arrow Machinery Co., Ltd. locates in Yangtze River Delta and near the Tailu lake. We are specialized in designing and producing conveyor rollers, driving pulley, bend pulley, nylon roller, oiling roller, impact roller and even the whole conveyor set including the national standard and non-standard. Our products are exported to Spain, Germany, Chile, the Middle East etc. We obtain the QA certification ISO9001:2008 and regulates our products strictly under the standard.