Hejian Ouman Mining Bits is a professional manufacturer of pdc bits serving oil&natural gas, mineral exploration, coal mining, geothermal drilling and geological exploration industry. It is specialized in the design and manufacuture of PDC bits, PDC Non-core bits, and PDC core bits. Besides, it is also engaged in the professional repair of PDC bits and distributing rock bit. Using sophisticated machinery and cutting-edge ideas and techniques, we focus on innovating and creating solutions to specific customer needs. Our customers value Ouman Drilling innovative thinking, individualized approach and timely response.