Dongying zerui mechanical manufacturing co.,ltd, one of the backbone enterprises of petroleum drilling and Mining Drilling equipment in China, was established in 1991, with 34 years of experience up to now.Mainly engaged in research, development, manufacturing and service of land and offshore oil&gas exploration and development equipment, covering drilling equipment, cementing equipment, workover equipment, fracturing equipment,coiled tubingunits, snubbing rigs, offshore equipment and high pressure fuid control products. we start to produce mining diamond core drilling equipment and drill tools from 2015, HQ/PQ/NQ/HRQ Rods and Diamond Core Bits.
We has been actively expanding into on-site equipment inspection,testing,overhaul and modification service, to provide integrated solution of oil&gas exploration and diamond core drilling for customers.