Factory-Direct CNC Machining Services – Fast Quote & Precision Parts
- No Middlemen. ISO Certified. Fast Prototyping to Mass Production.
- Engineers Worldwide Trust Us for Fast, Reliable, and Factory-Direct CNC Services






What We Offer
✅ CNC Milling (3/4/5-Axis)
✅ Tight Tolerances: ±0.01mm
✅ Fast Prototyping & Small Batch to Mass Production
✅ CNC Turning, Swiss Lathe, EDM
✅ Surface Finishing: Anodizing, Powder Coating, Sandblasting, etc.
✅ Wide Materials: Aluminum, SS, Titanium, Plastics



XTJ Strict Quality Control Process
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- NDA Available
- Engineers Review Every File
- Quote in 24h or Less
Industries We Serve

Product Name: Distal Fibular Lateral Locking Plate
Industry: Medical Orthopedics
Brief Requirement: Precision machining of a titanium or stainless steel locking plate with 75% material removal, extensive curved surfaces, and 23 holes (4 types) for bone fixation. Challenges include large roughing volume, long machining time (71 minutes), and a surface finish of Ra ≤ 0.6μm.
Solution: Employ 5-axis CNC machining with optimized tool paths to handle high material removal and complex curves efficiently. Use multi-stage finishing processes to achieve Ra ≤ 0.6μm, with specialized drilling for 23 varied holes. Rigorous quality control ensures biocompatibility, delivered by XTJ Precision Mfg for medical-grade precision.

Product Name: Robotic Assist Arm Joint
Industry: Robotics and Automation
Brief Requirement: Precision-machined aluminum alloy joint with integrated bearings, requiring tight tolerances (±0.02mm), high strength, and smooth rotational movement to support dynamic load-bearing in robotic assist arms.
Solution: Utilize 5-axis CNC machining for complex geometries and bearing housings, ensuring seamless rotation and durability. Surface anodizing enhances wear resistance, delivered with rigorous quality checks by XTJ Precision Mfg for cutting-edge robotics projects.

Product Name: Precision Engine Cylinder Head
Industry: Automotive Manufacturing
Brief Requirement: High-precision machining of aluminum cylinder heads with tight tolerances (±0.01mm), complex fin structures, and multiple mounting points for engine assembly, requiring durability under high thermal and mechanical stress.
Solution: Utilize advanced 5-axis CNC machining to achieve precise cuts and intricate geometries, ensuring optimal heat dissipation through fin design. Post-machining inspection with CMM (Coordinate Measuring Machine) guarantees tolerance compliance, while anodizing enhances corrosion resistance—delivered by XTJ Precision Mfg for global automotive clients.

Product Name: Aerospace Mounting Plate
Industry: Aerospace Manufacturing
Brief Requirement: Precision machining of a 45# steel mounting plate with multiple holes and ribbed design, requiring high strength, tight tolerances (±0.02mm), and durability under extreme aerospace conditions. Challenges include complex geometry and significant material removal.
Solution: Utilize 5-axis CNC milling for precise hole patterns and rib structures, with optimized cutting strategies to manage 45# steel’s toughness. Heat treatment and surface finishing ensure structural integrity, delivered by XTJ Precision Mfg for aerospace-grade reliability.

Product Name: Custom Ergonomic Keyboard Housing
Industry: Communication Engineering
Brief Requirement: Precision machining of an aluminum ergonomic keyboard housing with a split, curved design, featuring multiple key slots and a branded insert. Requirements include tight tolerances (±0.05mm), lightweight construction, and a smooth finish for communication control panels.
Solution: Utilize 5-axis CNC machining to achieve the complex curved and split geometry, with precision milling for key slots and surface anodizing for durability. Custom branding integration ensures functionality and aesthetics, delivered by XTJ Precision Mfg for advanced communication solutions.

Product Name: High-Speed Rail Radar Mounting Bracket
Industry: Railway Transportation
Brief Requirement: Precision machining of an aluminum radar mounting bracket with multiple mounting holes and intricate support structures, requiring tight tolerances (±0.03mm), high strength, and vibration resistance for high-speed rail radar systems.
Solution: Utilize 5-axis CNC machining to achieve complex geometries and precise hole alignments, with anodizing for enhanced durability and vibration dampening. Rigorous testing ensures reliability, delivered by XTJ Precision Mfg for critical rail infrastructure components.
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