Shengli Oilfield Gubang Petroleum Equipment Co., Ltd., Dongfang Alloy Casting Factory was founded in 1993 and is located in Dongying city Shandong province of China where the Yellow River flows into the Bohai sea. There are 226 employees and 51of them are technicians of middle technical titles. Our factory dedicates to research, produce and develop the petroleum drilling and exploitation machinery. Its main products are mud pump and relevant accessories (such as bimetallic cylinder liner, pump valve, piston pole, valve housing and assembly etc. ), rotary table and relevant accessory, case body, cylinder liner of diesel engine, tooth board and so on. Our factory is the first-rank supplier of Sinopec in drilling and exploitation machinery. Our factory has passed the ISO 9001: 2000 quality management system. Since it was founded, our factory has established reliable relationship with its domestic and foreign clients based on the principle of sincerity & credit and quality first. Under the guideline of market orientation, technology as the propelling power, quality as the lifeline and benefit as the fountain of expansion, our products have been processed by the numerical control lathe, our production scale and economic has been greatly strengthened and upgraded. Our factory has become one of the largest producers of bimetallic cylinder liner of mud pump, pump valve and valve housing and strong capacity of competition in petroleum and exploitation industry system. Our productions which trademark is Jinxin are sold in domestic every oilfield and exported to US, Canada, Middle East and so on and have won the good credit standing. In the new century, Dongfang Group will continuously uphelp the spirit of Win-win integrity, Innovative and Competing, Standardizing and High effective, offer high quality products and super service to our clients.