Profile: Zoucheng Dongyuan Petroleum Machinery Co., Ltd. is specialized in producing downhole motors as well as relevant fittings for on-shore oil drilling. Downhole motors are available for O.D. range from 2-3/8" to 11-1/4", and each series can be divided into 3 categories: vertical motor, single bent angle motor, and double bent angle motor. These motors can be used for drilling in vertical wells, directional wells, cluster wells, and horizontal wells.