YI NENG GROUP is a collectivized enterprise which integrates production, import & export and sales together. There are three large-scale companies belonging to our group: Shandong Yineng International Trade Co., Ltd., Hebei Yineng High-Pressure Pipeline Manufacturing Co., Ltd. and Hebei Yineng Science and Technology Development Co., Ltd. Our factories are located in China's Tube Base ---Yanshan of Hebei Province, covering 176,000 square meters, with total assets of RMB198 million, producing ...