High-tolerance custom machined solutions optimized for medical robotics, aerospace development, marine engineering, and custom tech hardware deployment.
Dongguan SX Technology Co.,Ltd has very rich experience in precision casting, CNC machining and assembly. Our products are used in machinery, automobiles, marine, ships, equipment, valves and pumps, electronic appliances, packaging, watches, construction, chemical industry and other industries.
The most commonly used materials for investment casting are stainless steel and carbon steel. And the most commonly used materials for CNC machining include titanium alloy, stainless steel, carbon steel, aluminum alloy, copper alloy, cemented carbide, etc. We have advanced manufacturing equipment and technology and are able to respond quickly to your needs.
By positioning our manufacturing operations within China's primary hardware logistics capital and maintaining strategic service routes to the San Francisco Bay Area, we align the advantages of global supply chains with the engineering standards demanded by top-tier Western enterprises.
The San Francisco Bay Area is the world's epicenter of disruptive engineering. While software often dominates headlines, the physical hardware layer—ranging from autonomous vehicle sensor suites and deep-space communication transceivers to next-generation surgical tooling—demands unmatched engineering precision. For SF-based startups and global enterprises located in Mission Bay, Berkeley, South San Francisco, and San Jose, the transition from CAD design to physical part requires a partner with deep scientific expertise in structural integrity and material sciences.
Local businesses run up against immediate scaling challenges: high domestic labor costs, restricted localized factory space, and lengthy queues at specialized local machine shops. Dongguan SX Technology Co.,Ltd bridges this operational gap. We provide rapid-turnaround, high-precision prototyping alongside scalable production capacities that mirror domestic design tolerances (down to ±0.005mm) while optimizing overall costs. This enables Silicon Valley hardware teams to iterate fast, scale efficiently, and pass rigorous validation protocols.
In modern manufacturing, supply chain resilience is key. Geopolitical changes, freight logistics, and raw material volatility require CNC suppliers to offer robust end-to-end solutions. Dongguan SX Technology Co.,Ltd provides full traceability from mill-certified raw stock to final surface treatment. Our global supply channels guarantee uninterrupted access to high-grade titanium alloys (such as Gr. 5 Ti-6Al-4V), aerospace-grade aluminum (7075-T6 and 6061-T6), and high-performance engineering plastics (PEEK, Delrin).
We work with complex alloys, titanium, hardened tool steels, and high-performance plastics. Every batch comes with material certs ensuring chemical composition matches ASTM specifications.
Combining express international shipping with rapid setup tooling protocols, we deliver custom-machined components to SF Bay Area hubs within 7 to 10 working days for urgent prototypes.
We handle small-batch engineering trials (1-10 parts) with the same precision and focus as high-volume production orders exceeding 100,000 components annually.
Our production facilities feature high-performance CNC machining equipment, including 3-axis, 4-axis, and high-precision 5-axis machining systems. We also operate advanced turning centers and Swiss-type lathes to produce complex cylindrical parts.
By automating workflows and maintaining our machines regularly, we deliver consistent accuracy across both small runs and high-volume orders. This reliable manufacturing capacity is built to meet the rigorous tolerances demanded by Bay Area tech hardware developers.
We have professional testing equipment and professional QC personnel, and we adhere to strict tolerances and quality standards for the products we produce. Due to our insistence on strict quality requirements, we have been praised by many customers.
Quality is the cornerstone of the manufacturing industry. We firmly believe that only by controlling quality well can we survive, develop, and get better and better. Therefore, we have been working in this industry unremittingly since 2014 and continue to improve the company's team and improve the company's production capacity.
Our quality verification processes utilize Coordinate Measuring Machines (CMM), optical comparators, surface roughness testers (profilometers), and digital thread gauges. This quality check is essential for medical-grade parts and high-stress aerospace components, ensuring they perform reliably in real-world conditions.
By aligning our production with the engineering needs of the Bay Area, we serve several key industries that drive regional innovation:
South San Francisco and Mission Bay are key hubs for biotech and medical device development. We manufacture custom titanium alloy components, stainless steel fluidic manifolds, and surgical arms that require smooth surface finishes (Ra 0.4μm) and biocompatible materials.
Companies in San Francisco and the East Bay developing AV sensors, LiDAR systems, and robotic systems rely on us for custom aluminum housings, lightweight optical brackets, and internal gears that require high structural strength-to-weight ratios.
University labs and research facilities in Berkeley and Stanford design complex experimental equipment. We fabricate high-vacuum chambers, custom optical blocks, and specialized alloy parts designed to perform reliably under extreme vacuums and low temperatures.
Hardware startups across the Bay Area need fast prototyping to iterate their designs. Our quick-turn milling and turning services help teams test form, fit, and function, reducing time-to-market.
Advanced multi-axis machined parts and customized fasteners engineered to meet high-performance requirements.
Partnering with an overseas manufacturer requires trust, transparency, and reliable communication. We address these needs by integrating professional support workflows that protect your designs and simplify logistics:
We work under strict Non-Disclosure Agreements (NDAs) to protect your CAD models, structural diagrams, and proprietary product concepts.
Before beginning production, our engineering team conducts a thorough review of your design files to identify potential manufacturing issues, optimize material usage, and help reduce overall costs.
We offer flexible shipping terms (DDP, FOB, CIF) with customs clearance support, delivering parts directly to your facility in San Francisco, Oakland, or San Jose.
Submit your 3D CAD files (STEP, IGES, SolidWorks) along with PDF specifications detailing critical tolerances, surface finishes, and material requirements. Our engineering team will review your files and provide a detailed quote within 24 hours.
Get an Engineering QuoteAs manufacturing technology evolves, Dongguan SX Technology Co.,Ltd continues to invest in advanced machinery and digital systems. Our roadmap focuses on integrating automation, data analysis, and sustainable practices into our CNC production lines:
We use modern CAM software and AI-assisted tool path optimization to reduce cycle times and improve surface finishes on complex parts.
We are expanding our 5-axis continuous milling capabilities to machine complex geometries in a single setup, improving part alignment and tolerance control.
We implement metal recycling systems and use energy-efficient coolants to reduce material waste and support green manufacturing goals.
High-volume manufacturing services and OEM custom parts built to meet precise technical specifications.
Get clear answers regarding lead times, quality assurance, shipping, and technical capabilities.
For rapid prototyping runs, we can complete and ship parts within 7 to 10 working days. Production volumes typically range from 15 to 25 working days, depending on geometry complexity, order quantity, and required surface treatments.
Our quality control program includes in-process inspections using calibrated Coordinate Measuring Machines (CMM). We inspect parts to verify they match your specified tolerances, providing inspection reports and material certifications upon request.
We work with a wide range of materials, including aluminum alloys (6061-T6, 7075-T6), stainless steels (304, 316, 17-4 PH), titanium (Grade 5), copper, carbon steel, and engineering plastics like PEEK and Delrin.
We support multiple international trade terms, including FOB, CIF, and DDP (Delivered Duty Paid). With DDP shipping, we manage customs clearance, import duties, and local delivery directly to your facility in the SF Bay Area.
All materials are sourced from verified suppliers and come with Mill Test Reports (MTR) detailing chemical and physical properties. This helps ensure raw material authenticity and traceability for demanding applications.
Yes. Our engineering team conducts a Design for Manufacturability (DFM) review for every project. We look for ways to optimize tooling setups, reduce material waste, and improve part consistency before starting production.
Partner with Dongguan SX Technology Co.,Ltd for precise, reliable custom manufacturing. Send us your project requirements and receive a professional engineering quote within 24 hours.
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