Dezhou Guang Hua Petroleum Mechanical Co., Ltd. is located in Dezhou Economic Industry Area, Shandong, China. Our company is always engaged in resource development. We are specialized in producing and selling casing tubes, cementation tools, oil extraction tools, well-head assembly tools, drilling tools and accessories of mud pumps. Our company is a modern enterprise with several years of production experience, advanced technique and equipment, scientific quality and management systems and strict quality control methods. We have enjoyed a high reputation in the same trade. At the same time, we also import foreign advanced technology of clash-butt welding technology, which has been used in our operation. We consistently adhere to the principle of "opening up markets with scientific management". Our company has rapidly grown in the past successive years. Our company has not only attained ISO9001:2008 quality system certification, but also got the license from API (5CT, 7K). Some of our products have been sold to several oilfields at home, and most of them are exported to North America, the Middle East and Asia. We sincerely welcome all friends from at home and abroad to visit our company and discuss business with us in order to establish cooperative relationship with us.