Shandong Coalfield Geologic Drilling Tools Factory, belongs to Shandong Coalfield Geologic Bureau, is a high-tech enterprise focusing on scientific research, design, manufacture and management. We successively obtained certifications of ISO9001:2000 international quality system and API. Our factory has 210 workers, including 15 engineers, 12 senior technicians and 28 technicians. With 10 national patents and 7 scientific achievements, our enterprise has set up long-term collaboration with CSIRO of Australia. We won the gold medal for keeping promises and contracts, "Technology Star Enterprise", "Trusted Products Enterprise", and "AAA Prestige Unit" by Shandong Construction Bank. Our products won gold medal in High-tech Scientific Expo. We specialize in the supply of oil casings and tubing, PDC oil bits, drilling tools, and oil equipment. There are three production lines of oil casing and two production lines of oil tubing. Our annual output reaches 150,000 tons. Our advanced oil PDC... [Details]