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Precision Deep Hole
Machining Solutions

Dezhou Sanjia Machine Manufacturing Co., Ltd. designs, manufactures, and sells advanced CNC deep hole drilling, boring, honing, and gun drilling machines. With over 21 years of experience, we deliver reliable, high-performance industrial machinery for global applications.

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About Sanjia

Founded in 2002 and located in Dezhou Economic Development Zone, Shandong Province, Dezhou Sanjia Machine Manufacturing Co., Ltd. specializes in the design, manufacturing, and sales of general and CNC-controlled deep hole processing machine tools.

We offer a comprehensive range of deep hole drilling machines, deep hole drilling and boring machines, powerful honing machines, and customized special equipment. Our commitment to innovation and precision has made us a trusted partner in industries such as machine tool manufacturing, locomotive, shipbuilding, coal machinery, hydraulics, and renewable energy.

2002
Founded
21+
Years Experience
10+
Product Lines
Global
Reach
Sanjia Machine Facility

Our Products

We are committed to R&D in deep hole technology, offering innovative, precisely engineered machines and customizable solutions for diverse industrial needs.

TLS2210A /TLS2220B Deep Hole Drawing Boring Machine

TLS2210A / TLS2220B

Deep Hole Drawing Boring Machine

  • • High precision boring and rolling
  • • Suitable for hydraulic cylinders
  • • Surface roughness: 0.4–0.8 μm
  • • Hydraulic clamping system
TS21 Series Oil Drill Collar Machine

TS21 Series

Oil Drill Collar Special Machine

  • • Customized for oil drilling tools
  • • High rigidity bed structure
  • • AC servo feed system
  • • Inner chip removal method
ZSK2302/2303 Three-axis CNC Drilling Machine

ZSK2302 / ZSK2303

Three-axis CNC Deep Hole Drilling Machine

  • • 3-axis CNC control
  • • High-speed drilling capability
  • • Rack and pinion transmission
  • • Ideal for plate processing
TGK25/TGK35 CNC Boring and Scraping Machine

TGK25 / TGK35

CNC Deep Hole Boring & Scraping Machine

  • • Boring and scraping in one setup
  • • High surface finish quality
  • • Hydraulic workpiece clamping
  • • Wide spindle speed range
TS2225/TS2235 Deep Hole Boring Machine

TS2225 / TS2235

Deep Hole Boring Machine

  • • Double rectangular guideways
  • • Quenched and wear-resistant
  • • Suitable for heavy-duty use
  • • High guiding accuracy
2MSK2150 Deep Hole Powerful Honing Machine

2MSK2150 / 2180 / 21100

Deep Hole Powerful Honing Machine

  • • High-power honing spindle
  • • Precision surface finishing
  • • CNC-controlled stroke & speed
  • • For large bore applications
TS21100 Heavy-Duty Drilling Machine

TS21100 / TS21160

Heavy Deep Hole Drilling & Boring Machine

  • • Designed for large workpieces
  • • High rigidity machine bed
  • • AC servo motor feed
  • • Hydraulic clamping system
ZSK2309A CNC Deep Hole Drilling Machine

ZSK2309A

Three-Coordinate Heavy-Duty CNC Deep Hole Drilling Machine

  • • 3-axis compound motion
  • • High load capacity
  • • Precision drilling for large parts
  • • CNC programmable cycles
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Why Choose Sanjia?

Engineered for performance, reliability, and precision in every deep hole machining task.

21+ Years Expertise

Founded in 2002, we bring over two decades of deep hole machining innovation and industrial experience.

Custom Solutions

We design and manufacture customized deep hole machines, cutters, fixtures, and measuring tools.

High Precision

Our machines achieve surface roughness down to 0.4 μm, ensuring top-tier finish quality.

Hydraulic Safety

Hydraulic clamping and fastening systems ensure safe, reliable, and easy operation.

Wide Speed Range

AC servo motor feed and wide spindle speed ranges meet diverse deep hole processing needs.

Global Applications

Used in machine tools, locomotives, shipbuilding, hydraulics, wind power, and coal machinery.

2002
Founded
21+
Years Experience
10+
Product Lines
Global
Customer Base

Frequently Asked Questions

What types of deep hole machines do you manufacture?

We produce CNC deep hole drilling machines, boring and scraping machines, gun drilling machines, powerful honing machines, drawing boring machines, and customized special equipment for deep hole processing.

Can you customize machines for specific applications?

Yes, we offer full customization services including special machines, cutters, fixtures, and measuring tools tailored to your production needs.

What industries use your machines?

Our machines are widely used in machine tool manufacturing, locomotive, shipbuilding, coal machinery, hydraulics, power generation, and wind energy sectors.

What is the surface finish capability of your honing machines?

Our deep hole powerful honing machines can achieve a surface roughness of 0.4–0.8 μm, ensuring high precision and smooth finishes.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team directly.

+86 15153447777
+86 15066625508
+86 15066625515
info@sjmachines.com
lily@sjmachines.com
North Section of Lepu Avenue, Dezhou Economic Development Zone (from the terminal of No. 2 bus, 2 kilometers east of the road)
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