SHANDONG YINENG GROUP is a collectivized enterprise which integrates production, import & export together. We have three companies---SHANDONG YINENG INTERNATIONAL TRADE CO.,LRD., HEBEI YINENG HIGH-PRESSURE PIPELINE MANUFACTURE CO.,LTD. and HEBEI YINENG SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD.. We make the pipelines and fittings from carbon steel, stainless steel and alloy steel. We have passed ISO9001, CE certification and API certification, and our products are sold worldwide.