Precision Engineering Excellence
Leading the industry with advanced CNC technology, innovative solutions, and unmatched precision for your manufacturing needs.
Precision Machining
High-accuracy CNC machining with tolerances down to ±0.005mm for critical components.
Advanced Technology
3.4.5-axis CNC machines and state-of-the-art CAD/CAM software for complex geometries.
Rapid Prototyping
Quick turnaround times(1 -2 weeks) with our efficient production workflow and dedicated engineering team.
OEM Precision Machining Manufacturer in China MOQ 2PCS with FAI Report
As an OEM manufacturer, Sunjoy offers FAIR for each order to ensure the smooth transition of products from development to mass production and reduce later quality risks.
Product Analysis
CNC Lathe Work
Salt Spray Test Machine
Featured Products
Explore Sunjoy Technology's high-precision machining products, each piece showcasing our 20 years of professional craftsmanship in precision manufacturing
CNC Precision Machined Parts
High-precision metal components machined using advanced CNC equipment, with accuracy up to +/-0.005mm, suitable for electronic devices and medical equipment
Aluminum Extrusion Products
Custom aluminum alloy extrusions with fine surface finishing, widely used in electronic device enclosures, heat sinks, and structural frames
Die-Cast Automotive Components
High-quality die-cast components for automotive electronic systems, featuring excellent structural strength and precise dimensional tolerances
Precision Stamping Parts
Efficiently produced metal stamping components, ideal for mass production, widely used in home appliances, communication equipment, and more
CNC Turned Parts
High-precision CNC-turned symmetrical components with superior surface finish, suitable for precision machinery and industrial automation equipment
Stainless steel CNC turning
Stainless steel CNC turning products are widely used across various industries due to their corrosion resistance, durability, precision, and versatility.
Industries We Serve
Our precision manufacturing solutions power innovation across multiple high-demand sectors
Computers & Electronics
Precision components for consumer electronics, computer hardware, and advanced computing systems with tolerances up to +/-0.005mm.
Telecommunications
High-precision parts for network infrastructure, communication devices, and telecom equipment that demand reliability and durability.
New Energy
High-precision parts boost efficiency, reliability, and durability in renewable energy systems like EVs and solar power
Automotive Electronics
IATF16949-certified manufacturing for critical automotive electronic components that meet strict industry safety and reliability standards.
Lighting
Costom metal components enhance LED efficiency, durability, and light uniformity for superior lighting performance
Drone & Robot
High-precision drone and robotic components ensure accurate navigation, stability, and efficiency for autonomous operations
Need Custom Solutions for Your Industry?
Our engineering team can develop tailored manufacturing solutions for your specific industry requirements, no matter how complex.
Request a ConsultationOur Advanced Equipment
Explore Sunjoy Technology's state-of-the-art manufacturing facility equipped with precision machinery to deliver exceptional quality.
About Alan Dong
Sunjoy was founded in 2005, by Alan Dong, a skilled engineer with over 10 years of experience in CNC and die-casting manufacturing. After a decade of hands-on work in the industry, Alan leveraged his expertise to establish his own company, combining technical precision with entrepreneurial vision.
Driven by his deep understanding of machining processes, Alan is committed to delivering high-quality solutions and sharing his knowledge to help others excel in the field. Sunjoy stands as a testament to his dedication—turning years of experience into a thriving business that serves clients with reliability and innovation.
Professional Skills
CNC Machining
Mold Design
Project Management
Business Development
What Our Clients Say
Trusted by industry leaders worldwide for our precision manufacturing excellence
Robert
*** Inc.
"We like Sunjoy's CNC machining services for our communication parts.We signed NDA. Their team is responsive, delivers on time, and proactively solves challenges—like when they optimized a complex housing part, reducing both cost and lead time. A trusted partner we highly recommend!
Emily
*** Solutions
"As a medical device manufacturer, we require absolute precision and consistency. Sunjoy's one-stop service from material sourcing to delivery has streamlined our supply chain. Their quality assurance process with regular inspections gives us peace of mind for our critical components."
Nathan
*** Electronics
"We've partnered with Sunjoy for over 5 years for our computer components. Their die casting and metal extrusion capabilities are exceptional. What sets them apart is their rapid response time - we typically receive quotes within 24 hours and their transparent production reports keep us informed every step of the way."