with more than 1, 000 employees serving in 30 coutries all over the world, Kerui Group is a pioneer in designing and manufacturing of drilling equipment and engineering service for oilfields, which was established in 2001 and the headquarters in Dongying, Shandong, China. The workshop area is 1.6 million square feet with 180 sets of various processing equipments. Kerui has been granted API and ISO9001:2000, the license of overseas oil and gas services issued by the China Ministry of Commerce. Annual manufacturing capacity is 30 sets of various model of drill rigs;