Yao Fu Technology Co., Ltd.Was founded in January, 2007, in the worldwide ancient capital city-Xi¡¯an, Shaanxi Province. It engages into the designing, developing, testing, manufacturing, repairing, and drilling service. Its business covers drilling rig, workover rig, solids control equipment, drilling rig supporting and drilling strings and other equipments related with petroleum. Strictly abide by ISO9001 quality system certification and API standard. The company is solely-owned international.