Shandong Rosenwell petroleum technology Co.,Ltd (hereinafter as Rosenwell company) is located in Dongying City, Shengli Oilfield(Belongs to Sinopec),which is the second largest oilfield and the largest petroleum industry base in China. Rosenwell company is a professional company engaged in petroleum equipment and spare parts. Based on our domestic business with Shengli oilfield and professional engineering&commercial team, Rosenwell had built up a solid network and same-boat partnership with worldwide clients. Key advantage: OEM quality, 100% interchangeable. Competitive prices, In-time delivery, after-sales warranty service. The major scope of our products is, Top Drive System Spares, Mud pumps & spares, handling tools, BOP and BOP spares of RAM, Seals, etc We sincerely look forward to the chances of serving esteemed customers from all over the world and win-win business in the long run.