Your Reliable CNC Machining Services & Custom Parts Manufacturer in China

Get detailed quotes within 24 hours, Free DFM advice if necessary. We sign Strict NDAs to protect your IP and offer No MOQ to support your growth. Most prototypes ship in 7-10 days, with low-volume production in 15-20 days – delivered directly to your door via DDP (Duties Paid) shipping to USA, EU, AU, CA, etc. For total peace of mind, we accept PayPal with 180-day buyer protection, including a 100% refund policy with no returns required on initial sample orders. The majority of our business comes from long-term repeat customers – once they try Kinsai, they stay with us for long term.

CNC Machining China Factory Kinsai Ltd
15 +

Years

CNC Expertise Since 2009

10K +

Projects

CNC Parts Delivered Globally

350 +

Global Customers

Serving Automotive, Optical & Imaging, High-End Lighting, and beyond.

99.9%

Satisfaction

ISO 9001:2015 Quality Standard & 100% Outgoing Inspection

Why Global Engineers Choose Kinsai for Custom Parts?

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About Kinsai Company

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CNC Machining Services: 15+ Years of Expertise

  • Established in 2009, Kinsai Machining has grown from a small CNC shop into a leading ISO 9001 certified China custom CNC parts manufacturer. We offer complete project solutions — from the first rapid prototype to precision low volume production. With over 15 years of expertise, our engineering team provides reliable one-stop support, ensuring every part meets your exact specifications. “One contact, the same high quality, always on time — just like having your own factory in China.”
  • Technical Capabilities: Our state-of-the-art facility is equipped with advanced 3-axis, 4-axis, and 5-axis CNC milling and CNC turning centers, achieving tight tolerances up to +/- 0.01mm. We specialize in machining a wide range of materials, including Aluminum 6061/7075, Brass, Stainless Steel, Titanium, and engineering plastics like PEEK and POM. Whether it’s complex automotive components, camera accessories, lighting fittings or architectural hardware, we ensure premium quality through serious DFM feedback and rigorous inspection.
  • Global Supply & Trust: Kinsai proudly serves a loyal global customer base, exporting over 80% of our custom machined components to North America, Europe, and Asia. We support your growth with No MOQ (1pcs OK), secure PayPal payments, and DDP (Duties Paid) shipping. We are committed to paying attention to every detail, ensuring that every product we deliver exceeds expectations. Contact us today for a 24-hour fast quote.