亚洲欧美日韩成人一区二区三区|国产成人无精品久久久久国语|亚洲国产精品无码久久久不卡|综合在线 亚洲 成人 欧美

　　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.