During Apr. 3 to 5 2007, Yantai Jereh Petroleum Equipment & Technologies CO.,LTD. attended the 7th international Petroleum exhibition held in Beijing. The size of this exhibition is big and most exhibitors are the well-known enterprises. People from different oilfields and overseas came to attend the exhibition. Yantai Jereh Petroleum Equipment & Technologies CO.,LTD exhibited Model JR5230TSN Cementing Truck and the 5th Cement Batch Mixing Skid and two new pumps .