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,...