As the biggest supplier providing the best prices and quality,we have over 11 years' experience in exporting drilling rig machines! Established in 1998, our company is the subsidiary of Zhengzhou prospecting Machinery Co., Ltd. concentrated on scientific research & development, production and marketing. To meet the newest requirements of different customers , we absorb advanced technology to improve the quality of our drilling rigs. At present, We have more than 20 species such as heavy ...   |