Production Capacity
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Dao Siang offers comprehensive and reliable manufacturing capabilities to support diverse product requirements, providing one-stop services from raw material machining to secondary processes.
With a wide range of CNC turning-milling equipment and mature manufacturing expertise, we produce high-precision metal components and integrate surface treatment, heat treatment, and various finishing processes to ensure products meet customer expectations in dimensional accuracy, appearance, and performance.
Supported by extensive manufacturing experience and strong supply chain integration, Dao Siang is committed to delivering stable, high-quality, and competitive precision manufacturing solutions.
Manufacturing Capacity
• Machining OD: Ø1–Ø52 mm (for round bar stock up to 3,000 mm in length)
• Workable Material Forms: round bar, hexagonal bar, seamless hollow bar, and square bar; other profiled/custom shapes available depending on product requirements.
• Machining Accuracy: ±0.003 mm (depending on material properties)
Materials Machined
• Stainless Steel: SUS303/SUS304/SUS316/SUS416/SUS410/SUS420/SUS630
• Free-Cutting Steel: 1144/1215/12L14
• Carbon Steel: 1015/S15C/S45C
• Bearing Steel: SUJ2
• Tool Steel: SKD11
• Alloy Steel: SNCM220/SCM440/SCM415/SCM435/SNCM439
• Aluminum Alloy: 2011/2024/5052/6061/6063/6082/7075
• Copper Alloy: Tough Pitch Copper C1100 / Phosphor Bronze C5121、C5191 / Brass C3604 / Lead-Free Brass C6802 / Aluminum Bronze / Eco-Friendly (Lead-Free) Copper
• Titanium Alloy: Grade 2/Grade 4/Grade 5
• Plastics: DELRIN/POM/PETP/TEFLON/PTFE/PEEK
ManufacturingProcess
• CNC Turning
• CNC Milling
• CNC Tapping
• CNC OD / ID / Surface Grinding, Centerless Grinding
• EDM Wire Cutting
• Stamping
• Gun Drilling
• Broach
Surface Treatment
• Sand Blasting
• Electropolishing
• Anodizing
• Hard Anodizing
• Electroless Nickel Coating
• Trivalent Chromium Conversion Coating
• Passivation for Stainless Steel
• Black Oxide for Stainless Steel
• Electrophoretic Deposition / E-coating
Heat Treatment
• Liquid Nitrocarburizing(LCN)
• Gas Soft Nitriding(GSN)
• Carburizing
• Tufftriding
• Induction Hardening(High frequency)
• Normalizing
• Quenching&Tempering
• Microstructure Analysis
Secondary Operations
• Laser Carving(Laser Marking)
• Thread Locking Compound (NYLOK)
• Pad Printing
Production Equipment
Dao Siang continuously invests in high-precision CNC turning-milling equipment to establish a stable and efficient production system capable of meeting diverse precision machining requirements. With a wide range of machinery and integrated CAD/CAM capabilities, we optimize machining processes from the development stage, improving accuracy, efficiency, and overall production stability. By combining advanced equipment with digital manufacturing technologies, Dao Siang ensures reliable and flexible production solutions tailored to customer needs.
Citizen L12 Swiss-Type CNC Lathe
Micro Precision Machining
Machining Capacity: Ø1 mm~Ø12 mm
Features: Micro precision parts, small-diameter long shafts, and excellent dimensional consistency.
Machining Processes: Turning, drilling, milling, tapping, and multi-process machining in a single setup.
Production Capability: Ideal for medium- to high-volume production of micro precision components with consistent quality and repeatability.
Typical Applications: Precision shafts, pins, connectors, and nozzles.
Citizen L20 Swiss-Type CNC Lathe
Complex Precision Machining
Machining Capacity: Ø2 mm~Ø20mm
Features: Designed for medium-sized complex components with multi-face machining, cross-hole machining, and high-precision dimensional control.
Machining Processes: Turning, drilling, milling, tapping, and multi-process machining in a single setup.
Production Capability: Ideal for medium- to high-volume production of complex precision components with high efficiency, consistent quality, and reliable on-time delivery.
Typical Applications: Bicycle components, AI liquid cooling fittings, precision valves, and precision shafts.
Citizen A20 Swiss-Type CNC Lathe
High-Efficiency Precision Component Machining
Machining Capacity: Ø2 mm~Ø20mm
Features: Optimized for medium-sized precision components, delivering high productivity, stable machining, and excellent dimensional consistency.
Machining Processes: Turning, drilling, milling, tapping, and multi-process machining.
Production Capability: Equipped with an automatic bar feeder for medium- to high-volume production, ensuring consistent quality and on-time delivery.
Typical Applications: Precision shafts, connectors, bicycle components, and fasteners.
Miyano BNJ-51SY7 Fixed Headstock CNC Turning Center
High-Efficiency Complex Precision Component Machining
Machining Capacity: Up to Ø51 mm
Features: Equipped with dual spindles, dual turrets, and a Y-axis, enabling multi-face machining, off-center drilling, cross-hole machining, and simultaneous front/back operations while delivering exceptional rigidity and dimensional stability.
Machining Processes: Turning, drilling, milling, tapping, and back-side machining. Multiple operations are completed in a single setup, reducing repositioning errors and improving machining efficiency.
Production Capability: Optimized for medium- to high-volume production of medium and large complex precision components, reducing cycle time while improving productivity, part consistency, and on-time delivery.
Typical Applications: AI liquid cooling connectors, valve bodies, automotive and motorcycle components, bicycle components, hydraulic and pneumatic parts, precision bushings, and complex connectors.
STAR SR-10J Swiss-Type CNC Automatic Lathe
High-Speed Micro Precision Component Machining
Machining Capacity: Ø1 mm–Ø10 mm
Features: Optimized for micro precision components, high-speed machining, and small-diameter long shafts, delivering excellent dimensional consistency and machining stability.
Machining Processes: Turning, drilling, milling, tapping, and front/back multi-process machining. Multiple operations are completed in a single setup, reducing cycle time and improving machining accuracy.
Production Capability: Designed for medium- to high-volume production of micro precision components, ensuring high-speed machining, consistent quality, and reliable on-time delivery.
Typical Applications: Precision shafts, pins, connectors, nozzles, electronic components, and medical components.
STAR SR-20J Swiss-Type CNC Automatic Lathe
High-Precision Complex Component Machining
Machining Capacity: Up to Ø20 mm
Features: Optimized for medium-sized precision components and long-slender parts, delivering high rigidity, excellent dimensional consistency, and outstanding capability for complex machining.
Machining Processes: Turning, drilling, milling, tapping, deep-hole machining, front/back multi-process machining, and sub-spindle back-side machining. Multiple operations are completed in a single setup, reducing repositioning errors and improving machining efficiency.
Production Capability: Designed for medium- to high-volume production of precision components, reducing cycle time while improving productivity, part consistency, and on-time delivery.
Typical Applications: AI liquid cooling connectors, precision shafts, valve components, bicycle components, hydraulic and pneumatic parts, and precision connectors.
STAR SR-32J Swiss-Type CNC Automatic Lathe
Large-Diameter Complex Precision Component Machining
Machining Capacity: Up to Ø32 mm
Features: Built with a high-rigidity structure and equipped with main and sub spindles plus C-axis control, making it ideal for large precision components, heavy-duty cutting, and complex geometric machining while ensuring excellent dimensional consistency and machining stability.
Machining Processes: Turning, drilling, milling, tapping, cross machining, back-side machining, and multi-process machining. Multiple operations are completed in a single setup, reducing cycle time and improving machining accuracy.
Production Capability: Optimized for medium- to high-volume production of medium and large complex precision components, improving productivity, part consistency, and on-time delivery.
Typical Applications: AI liquid cooling connectors, valve bodies, hydraulic and pneumatic components, automotive and motorcycle components, bicycle components, precision bushings, and large precision connectors.
Contact Us
Looking for a trusted partner in metal machining? DAO SAING Industrial Co., Ltd. is here to support your needs.
Contact us to learn more about our manufacturing capabilities and how we can add value to your next project.