High-Precision Robotics Machining & Custom CNC Parts Supplier
Engineered for tight tolerances and structural endurance—Boraco delivers ISO-certified 5-axis CNC machining services that eliminate assembly misalignments, speed up robotic prototypes, and scale seamlessly into low-volume production.
ISO 9001:2015 Certified | ISO 13485 Compliant | 100% CMM Inspection Verified









Who are we?
Boraco Machining—China CNC Machining Services
Boraco is an overseas brand under Chenxin Hardware Co., Ltd., with its office located in Tsim Sha Tsui, Hong Kong.
Chenxin Hardware Co., Ltd., established in 2013 and headquartered in Dongguan, Guangdong Province, is a professional manufacturer specializing in high-precision, custom CNC machining solutions. Operating from a state-of-the-art 2,000-square-meter facility and backed by a decade of industry expertise, the company consistently delivers manufacturing excellence and uncompromising quality.
As an integrated precision manufacturing provider, Chenxin Hardware offers comprehensive capabilities—including CNC turning and milling, sheet metal fabrication, die-casting, and related value-added services—serving high-end sectors such as automotive, aerospace, electronics, and medical device industries.



Choosing a China CNC machining supplier is not only about price. Procurement teams need confidence that the supplier has the quality system, equipment, capacity, and process control required for long-term cooperation.
ISO 9001 Quality Management
ISO 9001 certified manufacturing processes help establish a structured quality management framework for CNC machining production.
Precision Inspection
Dimensional inspection is integrated into the production process to help verify critical part requirements and maintain consistency.
Production Security
Customer CAD files, drawings, specifications, and project information should be handled through controlled communication and document-management procedures.
Manufacturing Capacity
2,000㎡ Facility
50+ Advanced Machines
3/4/5-Axis Machining
±0.005mm Accuracy
Industries Served
- Consumer Products
- Consumer Electronics
- Automotive
- Aerospace
- Medical Devices
- Industrial Equipment
Our CNC Machining Advantages
01
Precision Beyond Specs: Dedicated Robotics Tolerance Control
Why Choose Us: Standard CNC suppliers often struggle with cumulative tolerance stack-ups in multi-axis robotic joints. Boraco specializes in high precision CNC machining parts, maintaining tolerances down to $\pm0.005\text{ mm}$ for critical robotics arm pivots, housing gearboxes, and encoder mounts.Pain Points Solved: Eliminates mechanical backlash, structural vibration, and motor overheating caused by out-of-spec components.Concrete Proof: Equipped with high-end 5 axis CNC machining centers and Zeiss CMM inspection equipment, backed by full dimensional inspection reports (FAIR) provided with every batch.
02
Seamless Material Versatility for Dynamic Load Applications
Why Choose Us: Robotics components require strict weight-to-strength ratios. Boraco offers comprehensive processing across stainless steel CNC machining parts, structural aluminum alloys (AL6061-T6, AL7075-T6), brass CNC machining parts, and engineering plastics. Pain Points Solved: Avoids material failure under cyclic fatigue, corrosion in harsh environments, and excessive weight burdens on joint actuators. Concrete Proof: Material Test Certificates (MTC) and full raw material traceability from certified domestic and international mill sources.
03
Rapid Prototyping to Low-Volume Scalability
Why Choose Us: As a direct China CNC machining factory, we support agile R&D iterations with CNC prototype machining through to low volume CNC machining without imposing prohibitive minimum order quantities (MOQs). Pain Points Solved: Ends project stagnation caused by long supplier lead times or suppliers rejecting short-run specialized robotics projects. Concrete Proof: Accelerated 3-day turnaround for functional prototype orders, with design for manufacturability (DFM) feedback provided within 24 hours.
04
Transparent Communication & Rigorous IP Protection
Why Choose Us: Operating as an experienced precision CNC machining parts manufacturer, Boraco acts as an extension of your engineering team. Pain Points Solved: Stops costly miscommunications regarding drawings, hidden surcharges, and fears of proprietary robotic design leaks. Concrete Proof: Strict Non-Disclosure Agreements (NDAs) prior to file sharing, encrypted file transfers, and direct English-speaking technical project management.
What can we help you with?
Most frequent questions and answers
Boraco operates advanced multi-axis machining facilities providing 5 axis CNC machining parts, precision CNC milling services, and CNC turning services. We machine intricate organic geometries, thin-walled robotic frames, internal gear housings, and high-precision encoder mounts using aluminum, stainless steel, titanium, brass, and performance polymers.
As an established precision CNC machining parts manufacturer, we enforce strict in-process quality control. Every part undergoes CMM (Coordinate Measuring Machine) verification, optical projection inspection, and material hardness testing. We routinely supply aerospace CNC machining parts and robotics components with comprehensive CMM inspection reports, material certificates, and certificates of conformance (CoC).
Yes. We support the entire hardware development lifecycle—from single-unit CNC prototype machining to low volume CNC machining runs of several thousand units. Our engineering team reviews your CAD files to provide Design for Manufacturability (DFM) suggestions that streamline machining paths and lower unit costs before production begins.
You can submit your 3D CAD files (STEP, IGES, or x_t) along with 2D drawings specifying tolerances via our secure portal. As a direct China CNC machining supplier, Boraco delivers detailed quotes and DFM feedback within 24 hours. Prototype orders typically ship in 3 to 7 business days, while low-volume production runs are completed in 2 to 3 weeks depending on finishing requirements.
World's Fastest
Robotics Machining & Precision CNC Parts Supplier in China
Sourcing precision components for advanced automation and robotic platforms requires more than just standard machine shop capabilities. When tight tolerances, mechanical rigidity, and dynamic balance determine whether a robotic arm moves with sub-millimeter precision or fails in production, selecting the right manufacturing partner is critical. Sourcing from overseas adds another layer of scrutiny: procurement teams must navigate technical communication barriers, unverified material specifications, quality control variations, and lead-time reliability.
Whether you are engineering multi-axis industrial articulated arms, autonomous mobile robots (AMRs), medical surgical robotics, or high-speed pickup systems, working with an experienced CNC machining factory China mitigates technical risks while streamlining your supply chain. As an ISO 9001:2015 certified manufacturer operating out of Dongguan, Guangdong Province, Boraco Machining combines advanced multi-axis machining technology with rigorous quality assurance processes. We do not just cut metal—we review your designs, optimize manufacturing pathways, and deliver fully traceable, high-precision components directly to your assembly line.
Why Choose Boraco as Your Robotics Machining & CNC Parts Supplier in China?
Robotic systems demand lightweight structures, high strength-to-weight ratios, and flawless repeatability across production lots. Sourcing these complex components often forces buyers to manage multiple vendors—one for milling, another for turning, a third for sheet metal enclosures, and a separate vendor for specialized surface treatments. This fragmented supply chain introduces quality handoff errors, extended lead times, and administrative overhead. Boraco Machining addresses these friction points through a fully integrated, centralized manufacturing approach.
Integrated Manufacturing Under One Roof
Operating a 2,000 square meter integrated facility in Dongguan, Boraco unifies heavy high precision CNC machining parts production, sheet metal fabrication, and die casting services within a single quality control framework. Having multi-process capabilities under one roof eliminates handoff delays between disparate sub-contractors and maintains a unified quality standard across all parts. When your robotic assembly requires multi-axis milled structural frames, lathe-turned precision shafts, and sheet metal control enclosures, our facility executes the complete bill of materials seamlessly. Learn more about our consolidated CNC machining services and complement your structural builds with integrated sheet metal processing.
Engineering-Led Support and 12-Hour DFM Feedback
In high-tech industries, order processing without technical oversight often leads to costly design errors, tool access issues, or unnecessary machining expenses. Every CAD model uploaded to Boraco undergoes a thorough Design for Manufacturability (DFM) review conducted by senior manufacturing engineers. Within 12 hours of receiving your RFQ, our engineering team evaluates part geometry, tool accessibility, tolerance stack-ups, and material behaviors. We provide clear, actionable feedback to eliminate deep internal pockets, reduce thin-wall vibration, and optimize chamfer angles—reducing production costs and manufacturing risks before a single tool touches the material. Read about our technical capabilities on our About Us page.
Comprehensive Material Versatility
Robotics platforms rely on specialized material selections. Actuated joint housings demand high-strength aerospace-grade aluminum, internal drive gearboxes require low-wear brass CNC machining parts, structural fasteners use high-yield stainless steel CNC machining parts, and end-effectors often require light-weight titanium or low-friction engineering polymers. Because our shop floor processes over 20 distinct grades of metals and engineering plastics daily, our engineers provide unbiased, practical guidance on alloy selections tailored to your thermal, mechanical, and weight targets. Discover our full line of materials on our CNC machining materials section.
Full Lifecycle Support: From Prototype to Mass Production

Transitioning from an initial engineering prototype to full-scale production frequently exposes hidden quality gaps when changing vendors. Boraco eliminates this risk by supporting your part lifecycle within a single production ecosystem. We execute rapid prototyping runs, scale smoothly through low volume CNC machining pilot batches, and step directly into automated high-volume production without changing setups, tooling references, or quality protocols. For complex housing projects requiring cast preforms, explore our mold making services.
Solving Core Procurement Pain Points in Precision Manufacturing
Procurement professionals and lead engineering teams frequently encounter recurring pain points when outsourcing specialized parts overseas. Low-bidding suppliers often compromise on raw material quality, skip critical dimensional inspections, or fail to communicate technical delays until delivery deadlines have already passed. Boraco Machining is engineered to eliminate these operational failure modes.
| Procurement Pain Point | Industry Impact | Boraco Machining Solution |
|---|---|---|
| Batch-to-Batch Dimensional Inconsistency | Components fit during prototyping but stall production lines during volume assembly due to tolerance drift. | Strict ISO 9001:2015 quality management system, full CMM dimensional inspection, and first-article inspection (FAI) documentation provided with every shipment. |
| Communication Gaps & Delayed Responses | Slow email turns, missed design revisions, and engineering assumptions that result in scrap parts. | Direct technical access to English-fluent manufacturing engineers who deliver structured DFM feedback within 12 hours. |
| Multiple Vendor Management Overhead | Coordinating separate machine shops, plating facilities, and sheet metal shops increases logistical costs and shipping delays. | Single-source execution across multi-axis milling, turning, sheet metal, die casting, and post-processing surface treatments in our 2,000 sqm plant. |
| Mass Production Quality Drops | Initial hand-crafted prototypes pass inspection, but machine operators make uncontrolled process changes during volume production runs. | Identical machining centers, fixture designs, and quality inspection protocols are utilized across both prototyping and production stages. |
| Unverified Raw Materials | Substandard alloys lead to premature structural failures under dynamic loads or stress corrosion cracking. | 100% material traceability with full raw material certification reports (spectrographic chemical analysis) provided for every order. |
Achieving tight mechanical fitments requires high-precision cutting operations. For intricate geometry and complex prismatic parts, explore our multi-axis CNC milling services. For cylindrical drive shafts, bearing seats, and high-concentricity pins, leverage our dedicated CNC turning services. To ensure complete wear resistance, environmental defense, and cosmetic consistency, our in-house finishing services deliver custom anodizing, powder coating, electroplating, and bead blasting under strict process controls.
Technical Proof: ISO Standards, Equipment, and Metrology
Trust in high-precision manufacturing is built on verifiable technical data, documented quality control systems, and advanced metrology equipment. Boraco Machining backs every production run with concrete proof of quality and process control.
Certifications & Quality Systems
Boraco operates under a fully documented quality management framework certified to ISO 9001:2015 standards. Every operational stage—from incoming raw material receiving to final pre-shipment packaging—follows standardized operating procedures (SOPs). Our manufacturing practices comply with European CE safety standards and environmental RoHS guidelines, ensuring that every CNC machining supplier delivery meets international compliance requirements.
Facility Infrastructure & Machining Capabilities

- 3-Axis CNC Machining Centers: Optimized for high-speed face milling, slotting, and heavy material removal on structural brackets and plates.
- 4-Axis CNC Milling Centers: Equipped with rotary indexers for machining complex radial features, angled bores, and off-axis profiles without multiple setups.
- 5-Axis CNC Machining Centers: Capable of continuous 5-axis simultaneous contouring. Crucial for manufacturing organic geometries, impellers, lightweight robotic joint housings, and complex 5 axis cnc machining parts in a single setup to eliminate setup errors.
- Precision Turning & Swiss Machining: Dedicated live-tooling lathes handling complex turn-mill components, drive spindles, and high-concentricity mechanical shafts.
- Auxiliary Fabrication Capabilities: Wire EDM cutting, laser cutting, CNC punching, precision bending, and automated welding cells for comprehensive assemblies.
In-House Quality Assurance and Inspection Equipment
Quality control at Boraco is strictly independent of the production floor. Our climate-controlled inspection room features calibrated metrology equipment designed to verify complex geometries down to micron levels:
- Coordinate Measuring Machines (CMM): Automated contact probe measuring systems providing 3D volumetric verification against original customer CAD files.
- Optical Comparators & Vision Systems: Non-contact 2D measurement for intricate profile checking, small thread pitches, and delicate electronic contact features.
- Surface Roughness Testers: Digital profilometers verifying surface finishes down to Ra 0.4 µm across critical bearing seats and sealing surfaces.
- Pin & Thread Gages, Height Masters, Micrometers: Routinely calibrated physical measurement tools supporting inline quality checks at machine operator stations.
Deep Material Expertise
Manufacturing critical components requires an in-depth understanding of material behavior during high-speed cutting operations, thermal expansion coefficients, and post-machining stress relief requirements:
- Aluminum Machining: Working extensively with 6061-T6, 7075-T6, and 2024 alloys, delivering ultra-lightweight, corrosion-resistant housings and structural linkages for mobile machinery.
- Steel & Stainless Steel Machining: Precision processing of 303, 304, 316L stainless steels alongside high-yield alloy steels (4140, 4340) for high-wear structural pins, gears, and structural frames requiring exceptional tensile strength.
- Brass & Copper Machining: Precision turning and milling of C360 brass, C110 copper, and beryllium copper for high-conductivity electrical terminals, busbars, low-friction bushings, and fluid manifolds.
- Titanium Machining: Expert machining of Grade 5 (Ti-6Al-4V) titanium components for high-strength-to-weight ratio aerospace brackets, surgical robotics, and extreme-environment end-effectors.
- Engineering Plastics Machining: Precision cutting of high-performance polymers including PEEK, POM (Delrin), PTFE, ABS, and Nylon for electrically insulating mounts, low-friction guide rails, and light-weight covers.
Robotics Applications & Industry Experience
Precision component requirements vary significantly depending on the operating environment of the finished equipment. As a leading precision cnc machining parts manufacturer, Boraco applies domain-specific engineering standards across diverse target industries.
Industrial & Service Robotics
Modern industrial arms and mobile automated systems demand high torque capacity, low rotational inertia, and exact alignment. We manufacture highly intricate articulated joint knuckles, harmonic drive housings, internal gear covers, strain-wave reducer components, and specialized end-of-arm tooling (EOAT) grippers. Operating as a dependable CNC machining manufacturer, our 5-axis capabilities allow us to hold strict geometric runout tolerances across multi-axis mounting surfaces.
Aerospace & Defense
Flight-critical components demand absolute material traceability, weight reduction pockets, and zero material defects. Boraco produces specialized flight-control linkages, sensor enclosures, unmanned aerial vehicle (UAV) structural hubs, and actuator mounts. View our capabilities for high-reliability applications on our aerospace CNC machining portal.
Automotive & Electric Vehicles (EV)
From automated assembly line fixtures to EV battery housing components and prototype drivetrain assemblies, we support high-speed automotive development programs. We deliver high-precision steering knuckles, custom sensor housings, transmission test fixtures, and structural brackets. Learn about our automotive production standards on our automotive machining page.
Medical & Surgical Devices
Medical robotics and laboratory automation require bio-compatible materials, ultra-smooth surface finishes, and strict micro-tolerances. Boraco produces stainless steel surgical tool handles, titanium positioning arm joints, peristaltic pump housings, and diagnostic imaging equipment brackets. Read more on our dedicated medical machining resource page.
Electronics & Semiconductors
Precision electronics assemblies require high-conductivity shielding, sub-millimeter component clearances, and excellent thermal dissipation performance. We manufacture CNC-milled aluminum heatsinks, RF shielding enclosures, semiconductor wafer-handling end-effectors, and automated test-fixture plates. Explore our specialized services on our electronics machining hub.
Consumer Goods & Commercial Equipment
For high-end commercial products and specialized automation hardware requiring cosmetic surfaces alongside mechanical durability, our consumer goods machining solutions deliver anodized cosmetic housings, ergonomic levers, display frames, and custom enclosures with flawless surface quality.
Manufacturing Process and Quality Workflow
To ensure total operational transparency, Boraco follows a structured, six-stage quality assurance process for every production run:
- RFQ & DFM Review: Upon receiving your 3D CAD files (STEP, IGES, or Parasolid) and technical engineering drawings (PDF), our team conducts a thorough DFM evaluation, checking wall thicknesses, thread depths, internal radii, and tolerance feasibility.
- Material Selection & Verification: Raw material stock is sourced exclusively from audited metal suppliers. Spectrographic analysis and mill test certificates verify chemical composition prior to cutting.
- CNC Setup & First Article Inspection (FAI): Precision tooling, custom workholding fixtures, and CAM programs are validated. The first off-tool part undergoes complete CMM dimensional inspection before full production approval.
- In-Process Quality Monitoring: Machine operators conduct periodic inline dimensional checks at defined intervals, tracking key features using statistical process control (SPC) techniques to prevent tolerance drift.
- Post-Processing & Surface Finishing: Parts receive specified surface treatments—such as bead blasting, Type II or Type III hard anodizing, passivation, or plating—followed by cosmetic and thickness checks.
- Final Quality Inspection & Export Packaging: A final quality control audit checks dimensions against customer drawings. Parts are individually packaged with protective foam, corrosion-inhibiting wrapping, and export-ready wooden cases, complete with full inspection reports.
Get Started with Your Robotics Machining Partner
Finding a reliable custom CNC machining partner in China does not have to be a trial-and-error process. With over a decade of manufacturing excellence, a 2,000 square meter ISO 9001:2015 certified facility, and advanced multi-axis capabilities, Boraco Machining delivers high-precision metal and plastic components built precisely to your specifications.
Whether you require early-stage CNC prototype machining, immediate pilot runs, or sustained high-volume production, our engineering team is ready to analyze your designs, optimize your manufacturing costs, and deliver superior part quality. Experience direct engineering communication, complete material traceability, and competitive lead times.
Ready to evaluate your next project? Submit your 3D CAD models and engineering drawings today to receive a comprehensive quote and DFM analysis within 12 hours. Partner with a trusted CNC machining factory China and accelerate your robotics hardware development.
Contact Boraco Machining Today for a Free Quote & DFM Feedback
Trust is the driving force behind our progress.
Looking for a Reliable Consumer Goods Machining Partner in China?
Whether you’re developing a new consumer product, replacing an existing supplier, or scaling from prototype to mass production, Boraco Machining can support your project with precision CNC machining, flexible materials, and scalable manufacturing capacity.
Send us your CAD file and production requirements.


