# Shaanxi Hainaisen Petroleum Technology Co.,Ltd | Hainaisen 3 blade Concave Drill Bit,Hainaisen API Concave Drill Bit,Hainaisen Manganese coal mining drill bits, 6 Inch PDC Rock Bit,9 blades PDC rock bit,6 Inch Polycrystalline Water Drill Bit, rock button drill bit,steel button drill bit,68mm coal drill bit, ## summary > Manufacturer, Brands: Hainaisen, Established in 2013, Employees: 150~200, Annual sales: 10,000,000-20,000,000, Export ratio: 80% - 90%, Primary markets: Worldwide. ## Company Information * [Company Profile](https://www.rock-drillbit.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.rock-drillbit.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.rock-drillbit.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.rock-drillbit.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [PDC Bits for Oil&Gas](https://www.rock-drillbit.com/supplier-3074181-pdc-bits-for-oil-gas): Keywords: 65mm Coal Mining Bit,steel body PDC Oil Drill Bit,stone diamond PDC drill bit. * [PDC Bits for Coal Mining](https://www.rock-drillbit.com/supplier-3074185-pdc-bits-for-coal-mining): Keywords: 6 inch Coal Mining Drill Bit,5 blades Coal Mining Drill Bit,6 nozzle diamond pdc drill bit. * [PDC Cutter/Teeth](https://www.rock-drillbit.com/supplier-3074186-pdc-cutter-teeth): Keywords: 1308 fixed cutter bits,1908 PDC hole cutter,arc synthetic polycrystalline diamond. * [PDC Non-Core Bits](https://www.rock-drillbit.com/supplier-4297446-pdc-non-core-bits): Keywords: Directional Drill Bit 4 Blades,4 5/8" Directional Drill Bit,Well Drilling Directional Drill Bit. * [PDC Core Bits](https://www.rock-drillbit.com/supplier-4297447-pdc-core-bits): Keywords: 108mm PDC core bit,108mm pdc core drill bits,8 Blades pdc core drill bits. ## Featured Products * [3 Blade Concave Drill Bit API Manganese Coal Mining](https://www.rock-drillbit.com/sale-26716837-3-blade-concave-drill-bit-api-manganese-coal-mining.html): Keywords: Hainaisen 3 blade Concave Drill Bit,Hainaisen API Concave Drill Bit,Hainaisen Manganese coal mining drill bits. * [6 Inch 9 Blades PDC Rock Bit API polycrystalline Water Drill Bit](https://www.rock-drillbit.com/sale-26698070-6-inch-9-blades-pdc-rock-bit-api-polycrystalline-water-drill-bit.html): Keywords: 6 Inch PDC Rock Bit,9 blades PDC rock bit,6 Inch Polycrystalline Water Drill Bit. * [108mm Concrete Concrete PDC Core Drill Bits 8 Blades Diamond Tip](https://www.rock-drillbit.com/sale-26536685-108mm-concrete-concrete-pdc-core-drill-bits-8-blades-diamond-tip.html): Keywords: 8 Blades pdc core drill bits,108mm pdc core drill bits,108mm PDC core bit. * [6 Blades PDC Core Bit 215.9mm For Water Rock Drilling](https://www.rock-drillbit.com/sale-26573383-6-blades-pdc-core-bit-215-9mm-for-water-rock-drilling.html): Keywords: 6 Blades PDC Core Bit,215.9mm PDC Core Bit,215.9mm pdc core drill bits. * [165mm PDC Bit For Well Drilling High Manganese Steel Body](https://www.rock-drillbit.com/sale-26573494-165mm-pdc-bit-for-well-drilling-high-manganese-steel-body.html): Keywords: 165mm PDC Bit For Well Drilling,6 1/2 PDC bit for well drilling,16mm pdc well drilling bit. * [Concave Coal Mining Bit](https://www.rock-drillbit.com/quality-26715964-concave-coal-mining-bit): Keywords: concave Coal Mining Bit,tungsten Coal Mining Bit,carbide deep well drill bit. * [94mm PDC Well Drilling Bit](https://www.rock-drillbit.com/quality-26703564-94mm-pdc-well-drilling-bit): Keywords: 94mm PDC Well Drilling Bit,flat PDC Well Drilling Bit,25mm button bits rock drilling. * [Rock Button Drill Bit](https://www.rock-drillbit.com/quality-26572462-rock-button-drill-bit): Keywords: rock button drill bit,steel button drill bit,68mm coal drill bit. ## Case Studies & Applications * [What Role Does Gage Length Play in the Performance of Drilling Bits for Oil and Gas Rigs?](https://www.rock-drillbit.com/cases/what-role-does-gage-length-play-in-the-performance-of-drilling-bits-for-oil-and-gas-rigs-37798.html) * [PDC vs. Traditional: Which Drill Bit Reigns in Coal Mines?](https://www.rock-drillbit.com/cases/pdc-vs-traditional-which-drill-bit-reigns-in-coal-mines-37797.html) * [Why Choose Steel Body PDC Drill Bits for Hard Rock Formations?](https://www.rock-drillbit.com/cases/why-choose-steel-body-pdc-drill-bits-for-hard-rock-formations-37793.html) * [4 Wings Blades PDC Bit blade shape, profile and cutter layout details](https://www.rock-drillbit.com/cases/4-wings-blades-pdc-bit-blade-shape-profile-and-cutter-layout-details-37792.html) * [5 Blade Steel Body PDC Bit repairability and multi‑run economics](https://www.rock-drillbit.com/cases/5-blade-steel-body-pdc-bit-repairability-and-multi-run-economics-37791.html) * [How Are Four Blade Wing High Performance Petroleum Drill Bits Evaluated for Reliability?](https://www.rock-drillbit.com/cases/how-are-four-blade-wing-high-performance-petroleum-drill-bits-evaluated-for-reliability-37789.html) * [How do Five Blades PDC Drill Bits control torque and bit whirl? ](https://www.rock-drillbit.com/cases/how-do-five-blades-pdc-drill-bits-control-torque-and-bit-whirl-37788.html) * [34 And A Half Whole Coal Mine Mining Anchor Drill Bits vs Standard Sizes: Comparison?](https://www.rock-drillbit.com/cases/34-and-a-half-whole-coal-mine-mining-anchor-drill-bits-vs-standard-sizes-comparison-37787.html) * [PDC Flat Top Sintered Bit maintenance guide?](https://www.rock-drillbit.com/cases/pdc-flat-top-sintered-bit-maintenance-guide-37786.html) * [Diamond Drill Bit Oil Rig: Key Features and Specification](https://www.rock-drillbit.com/cases/diamond-drill-bit-oil-rig-key-features-and-specification-37785.html) * [How Are Diamond Drill Bits for Oil Rigs Engineered for Durability?](https://www.rock-drillbit.com/cases/how-are-diamond-drill-bits-for-oil-rigs-engineered-for-durability-37783.html) * [Oil Diamond Drill Bit Adaptation in Horizontal Drilling Operations](https://www.rock-drillbit.com/cases/oil-diamond-drill-bit-adaptation-in-horizontal-drilling-operations-37780.html) * [Thermal and Shock Resistance in Six Blade Wing Petroleum Drill Bits](https://www.rock-drillbit.com/cases/thermal-and-shock-resistance-in-six-blade-wing-petroleum-drill-bits-37779.html) * [How Does a 6 Wings PDC Drill Bit Enhance ROP in Vertical Wells?](https://www.rock-drillbit.com/cases/how-does-a-6-wings-pdc-drill-bit-enhance-rop-in-vertical-wells-37778.html) * [Applications of Tool 6 Wings Drill Bit PDC in Deep Oil Wells](https://www.rock-drillbit.com/cases/applications-of-tool-6-wings-drill-bit-pdc-in-deep-oil-wells-37777.html) * [How Does a Steel Scraper Drill Bit Perform in Clay-Rich Formations?](https://www.rock-drillbit.com/cases/how-does-a-steel-scraper-drill-bit-perform-in-clay-rich-formations-37776.html) * [Performance Factors of a PDC Bit For Well Drilling in Harsh Zones](https://www.rock-drillbit.com/cases/performance-factors-of-a-pdc-bit-for-well-drilling-in-harsh-zones-37775.html) * [How does heat treatment change alloy steel microstructure in DTH bits？](https://www.rock-drillbit.com/cases/how-does-heat-treatment-change-alloy-steel-microstructure-in-dth-bits-36848.html) * [Hard alloy scraper drill bits vs. PDC: Which lasts longer?](https://www.rock-drillbit.com/cases/hard-alloy-scraper-drill-bits-vs-pdc-which-lasts-longer-36847.html) * [How does shot peening plus heat treatment extend bit fatigue life？](https://www.rock-drillbit.com/cases/how-does-shot-peening-plus-heat-treatment-extend-bit-fatigue-life-36846.html) * [How does heat treatment change alloy steel microstructure in DTH bits？](https://www.rock-drillbit.com/cases/how-does-heat-treatment-change-alloy-steel-microstructure-in-dth-bits-36821.html) * [Are three-blade oil drill bits suitable for geothermal drilling?](https://www.rock-drillbit.com/cases/are-three-blade-oil-drill-bits-suitable-for-geothermal-drilling-36820.html) * [6-Blade PDC Bits in Ultra-Deepwater Environments](https://www.rock-drillbit.com/cases/6-blade-pdc-bits-in-ultra-deepwater-environments-36819.html) * [Four Wing Arc Design: Fluid Dynamics Advantages](https://www.rock-drillbit.com/cases/four-wing-arc-design-fluid-dynamics-advantages-36818.html) * [Five Blade PDC Drill Bit vs Conventional Bits: Hard Rock Performance](https://www.rock-drillbit.com/cases/five-blade-pdc-drill-bit-vs-conventional-bits-hard-rock-performance-36817.html) * [How Do Steel Tooth Bits Perform in Abrasive Geological Zones?](https://www.rock-drillbit.com/cases/how-do-steel-tooth-bits-perform-in-abrasive-geological-zones-36815.html) * [How to Evaluate the Best Diamond Drill Bits for Precision Use?](https://www.rock-drillbit.com/cases/how-to-evaluate-the-best-diamond-drill-bits-for-precision-use-36814.html) * [Why Is Heat Treatment Vital for Seven Blade Wing Drill Bits?](https://www.rock-drillbit.com/cases/why-is-heat-treatment-vital-for-seven-blade-wing-drill-bits-36813.html) * [Directional Well PDC Bit: How to Reduce Torque & Drag?](https://www.rock-drillbit.com/cases/directional-well-pdc-bit-how-to-reduce-torque-36812.html) * [Future Trends In Drill Bits For Oil Drilling Development](https://www.rock-drillbit.com/cases/future-trends-in-drill-bits-for-oil-drilling-development-36811.html) * [Coal Mining Use Diamond Drill Bit impact resistance and abrasion control](https://www.rock-drillbit.com/cases/coal-mining-use-diamond-drill-bit-impact-resistance-and-abrasion-control-36307.html) * [Coal Mining Use Diamond Drill Bit impact resistance and abrasion control](https://www.rock-drillbit.com/cases/coal-mining-use-diamond-drill-bit-impact-resistance-and-abrasion-control-36306.html) * [Cutting Structure Optimization in a 5 Blades PDC Oil Bit](https://www.rock-drillbit.com/cases/cutting-structure-optimization-in-a-5-blades-pdc-oil-bit-36305.html) * [Cutting Structure Optimization in a 5 Blades PDC Oil Bit](https://www.rock-drillbit.com/cases/cutting-structure-optimization-in-a-5-blades-pdc-oil-bit-36304.html) * [Fluid Dynamics Design in a PDC Bit For Well Drilling Explained](https://www.rock-drillbit.com/cases/fluid-dynamics-design-in-a-pdc-bit-for-well-drilling-explained-36302.html) * [Fluid Dynamics Design in a PDC Bit For Well Drilling Explained](https://www.rock-drillbit.com/cases/fluid-dynamics-design-in-a-pdc-bit-for-well-drilling-explained-36301.html) * [How to optimize RPM for hard alloy scraper drill bit?](https://www.rock-drillbit.com/cases/how-to-optimize-rpm-for-hard-alloy-scraper-drill-bit-36300.html) * [How does heat treatment affect the bit's performance in different rock types?](https://www.rock-drillbit.com/cases/how-does-heat-treatment-affect-the-bit-s-performance-in-different-rock-types-36299.html) * [How does heat treatment affect the bit's performance in different rock types?](https://www.rock-drillbit.com/cases/how-does-heat-treatment-affect-the-bit-s-performance-in-different-rock-types-36298.html) * [How does heat treatment affect the bit's performance in different rock types?](https://www.rock-drillbit.com/cases/how-does-heat-treatment-affect-the-bit-s-performance-in-different-rock-types-36297.html) * [Application Scenarios for Using a Four Blade PDC Drill Bit Efficiently](https://www.rock-drillbit.com/cases/application-scenarios-for-using-a-four-blade-pdc-drill-bit-efficiently-36296.html) * [Why does a larger arc angle change chip evacuation and WOB requirements？](https://www.rock-drillbit.com/cases/why-does-a-larger-arc-angle-change-chip-evacuation-and-wob-requirements-36295.html) * [Steel Tooth Bit vs. Tungsten Carbide Insert Bit: Key Differences](https://www.rock-drillbit.com/cases/steel-tooth-bit-vs-tungsten-carbide-insert-bit-key-differences-35659.html) * [Optimizing Hydraulics with Three Blade PDC Tricone Drill Bit](https://www.rock-drillbit.com/cases/optimizing-hydraulics-with-three-blade-pdc-tricone-drill-bit-35658.html) * [Four Blade Wing Oil Drilling Tool: Cutting Edge in Borehole Quality](https://www.rock-drillbit.com/cases/four-blade-wing-oil-drilling-tool-cutting-edge-in-borehole-quality-35657.html) * [What drilling conditions suit three-blade oil drill bits best?](https://www.rock-drillbit.com/cases/what-drilling-conditions-suit-three-blade-oil-drill-bits-best-35656.html) * [Wear Resistance Testing for 94Mm Four Wing Arc Angle Drill Bit](https://www.rock-drillbit.com/cases/wear-resistance-testing-for-94mm-four-wing-arc-angle-drill-bit-35560.html) * [Wear Resistance Testing for 94Mm Four Wing Arc Angle Drill Bit](https://www.rock-drillbit.com/cases/wear-resistance-testing-for-94mm-four-wing-arc-angle-drill-bit-35559.html) * [6-Blade PDC Bits for HPHT Well Conditions](https://www.rock-drillbit.com/cases/6-blade-pdc-bits-for-hpht-well-conditions-35558.html) * [Optimal Drilling Parameters for Five Blade PDC Drill Bit](https://www.rock-drillbit.com/cases/optimal-drilling-parameters-for-five-blade-pdc-drill-bit-35557.html) * [Why Do Drill Bits For Oil Drilling Need Regular Sharpening?](https://www.rock-drillbit.com/cases/why-do-drill-bits-for-oil-drilling-need-regular-sharpening-35556.html) * [Why Is Grit Size Critical in Directional PDC Bits?](https://www.rock-drillbit.com/cases/why-is-grit-size-critical-in-directional-pdc-bits-35555.html) * [Can Seven Blade Wing Bits Handle Deepwater Drilling?](https://www.rock-drillbit.com/cases/can-seven-blade-wing-bits-handle-deepwater-drilling-35554.html) * [PDC Mining Bit Failure Modes & Prevention](https://www.rock-drillbit.com/cases/pdc-mining-bit-failure-modes-35553.html) * [PDC Mining Bit Failure Modes & Prevention](https://www.rock-drillbit.com/cases/pdc-mining-bit-failure-modes-35552.html) * [Polycrystalline Diamond Drill Bits: Wear Resistance Explained](https://www.rock-drillbit.com/cases/polycrystalline-diamond-drill-bits-wear-resistance-explained-35551.html) * [How Is Energy Consumption Tested For PDC Core Drill Bit With 8 Blades?](https://www.rock-drillbit.com/cases/how-is-energy-consumption-tested-for-pdc-core-drill-bit-with-8-blades-35550.html) * [What Drilling Challenges Can a Four Blade PDC Drill Bit Solve?](https://www.rock-drillbit.com/cases/what-drilling-challenges-can-a-four-blade-pdc-drill-bit-solve-35549.html) * [Seven Blade Wing Bit: How Is Tungsten Carbide Used?](https://www.rock-drillbit.com/cases/seven-blade-wing-bit-how-is-tungsten-carbide-used-35548.html) * [How does heat treatment enhance hard alloy scraper drill bit durability?](https://www.rock-drillbit.com/cases/how-does-heat-treatment-enhance-hard-alloy-scraper-drill-bit-durability-35547.html) * [Where are three-blade oil drill bits commonly used?](https://www.rock-drillbit.com/cases/where-are-three-blade-oil-drill-bits-commonly-used-35546.html) * [Applications of Coal Mining PDC Drill Bits in gas drainage drilling](https://www.rock-drillbit.com/cases/applications-of-coal-mining-pdc-drill-bits-in-gas-drainage-drilling-34978.html) * [Advantages of 5 Blade Steel Body PDC Bit over matrix‑body bits](https://www.rock-drillbit.com/cases/advantages-of-5-blade-steel-body-pdc-bit-over-matrix-body-bits-34974.html) * [Five Blade Oil Drill Bit nozzles, junk slots and cuttings evacuation](https://www.rock-drillbit.com/cases/five-blade-oil-drill-bit-nozzles-junk-slots-and-cuttings-evacuation-34764.html) * [How Does the Structure of Four Blade Wing High Performance Petroleum Drill Bits Impact Performance?](https://www.rock-drillbit.com/cases/how-does-the-structure-of-four-blade-wing-high-performance-petroleum-drill-bits-impact-performance-34763.html) * [Why Choose a Tool 6 Wings Drill Bit PDC for Hard Abrasive Formations?](https://www.rock-drillbit.com/cases/why-choose-a-tool-6-wings-drill-bit-pdc-for-hard-abrasive-formations-34620.html) * [Why Choose a Tool 6 Wings Drill Bit PDC for Hard Abrasive Formations?](https://www.rock-drillbit.com/cases/why-choose-a-tool-6-wings-drill-bit-pdc-for-hard-abrasive-formations-34619.html) * [Hydraulic Flow Design in a 6 Wings PDC Drill Bit and Its Impact](https://www.rock-drillbit.com/cases/hydraulic-flow-design-in-a-6-wings-pdc-drill-bit-and-its-impact-34618.html) * [What materials are three blade oil drill bits made of?](https://www.rock-drillbit.com/cases/what-materials-are-three-blade-oil-drill-bits-made-of-32274.html) * [What bonding methods strengthen Hard Alloy Roller Drill Bit?](https://www.rock-drillbit.com/cases/what-bonding-methods-strengthen-hard-alloy-roller-drill-bit-32273.html) * [Why choose hard alloy scraper drill bits for tough formations?](https://www.rock-drillbit.com/cases/why-choose-hard-alloy-scraper-drill-bits-for-tough-formations-32272.html) * [What Makes Seven Blade Wing Bits Ideal for Hard Formations?](https://www.rock-drillbit.com/cases/what-makes-seven-blade-wing-bits-ideal-for-hard-formations-32161.html) * [How Does a PDC Mining Bit Cut Through Hard Rock?](https://www.rock-drillbit.com/cases/how-does-a-pdc-mining-bit-cut-through-hard-rock-32160.html) * [What Are Polycrystalline Diamond Drill Bits Made Of?](https://www.rock-drillbit.com/cases/what-are-polycrystalline-diamond-drill-bits-made-of-32159.html) * [ISO standards for hard alloy roller drill bits?](https://www.rock-drillbit.com/cases/iso-standards-for-hard-alloy-roller-drill-bits-32129.html) * [How do hard alloy scraper bits improve drilling speed?](https://www.rock-drillbit.com/cases/how-do-hard-alloy-scraper-bits-improve-drilling-speed-32128.html) * [Why choose a five wing PDC bit for hard rock drilling?](https://www.rock-drillbit.com/cases/why-choose-a-five-wing-pdc-bit-for-hard-rock-drilling-32092.html) * [Why three-blades design enhances rock penetration?](https://www.rock-drillbit.com/cases/why-three-blades-design-enhances-rock-penetration-32091.html) * [Advantages of Using PDC Diamond Bits in Oil Drilling](https://www.rock-drillbit.com/cases/advantages-of-using-pdc-diamond-bits-in-oil-drilling-32090.html) * [How 94Mm Arc Angle Enhances Directional Drilling Accuracy?](https://www.rock-drillbit.com/cases/how-94mm-arc-angle-enhances-directional-drilling-accuracy-31910.html) * [How 6-Blade PDC Bits Improve ROP in Hard Formations?](https://www.rock-drillbit.com/cases/how-6-blade-pdc-bits-improve-rop-in-hard-formations-31909.html) * [Most Durable Materials For Drill Bits For Oil Drilling](https://www.rock-drillbit.com/cases/most-durable-materials-for-drill-bits-for-oil-drilling-31908.html) * [Drilling drilling technology.](https://www.rock-drillbit.com/cases/drilling-drilling-technology-26280.html) * [Why do a low pump speed test?](https://www.rock-drillbit.com/cases/why-do-a-low-pump-speed-test-26187.html) * [PetroChina's Pipeline Business is Restructured, Focusing on Upstream Offshore Oil and Gas Exploration and Development](https://www.rock-drillbit.com/cases/petrochina-s-pipeline-business-is-restructured-focusing-on-upstream-offshore-oil-and-gas-exploration-6364.html) ## Search Search endpoint: https://www.rock-drillbit.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [Hainaisen Attends Oil & Gas Uzbekistan 2026 to Expand Central Asia Market](https://www.rock-drillbit.com/news/hainaisen-attends-oil-327035.html) * [Expanding into the Middle East & Africa: Shaanxi Hainaisen Petroleum Technology Showcases Cutting-Edge Drilling Solutions at the 9th Egypt Oil and Gas Exhibition 2026](https://www.rock-drillbit.com/news/expanding-into-the-middle-east-310743.html) * [Shaanxi Hainaisen Ships Precision Drilling Tools for International Field Operations](https://www.rock-drillbit.com/news/shaanxi-hainaisen-ships-precision-drilling-tools-for-international-field-operations-296579.html) * [HAINAISEN Delivers 15 Units of 8-3/4" Five Blade Wing Oil Drilling Bits to Global Energy Partners](https://www.rock-drillbit.com/news/hainaisen-delivers-15-units-of-8-3-4-five-blade-wing-oil-drilling-bits-to-global-energy-partners-285216.html) * [Solutions for thermal degradation of PDC cutters: UK Driller’s Field-Proven Fix with 4 Wings Blades PDC Bit](https://www.rock-drillbit.com/news/solutions-for-thermal-degradation-of-pdc-cutters-uk-driller-s-field-proven-fix-with-4-wings-blades-p-284827.html)