中文无码一区二区三区在线观看_亚洲精品国产首次亮相_日韩一卡2卡3卡4卡新区亚洲_97视频热人人精品免费|日本欧美在线|欧美高清一区二区-最新电视剧

　　Shandong Molong Petroleum Machinery Co.,LTD. is a listed company integrating metal processing, machinery manufacturing and export trade. The company was approved by the Ministry of Foreign Trade and Economic Cooperation to own import and export rights in 1996. The main products include pig iron, stainless products, tubing, casing, sucker rod, subsurface sucker rod pump, mud pump liner and valves etc and machining, installation and maintenance service etc. Products are mainly exported to America, Mexico, Canada, Russia, India, Middle East, Southeast Asia, Central Asia, Africa, Latin America and other countries and regions.