Industrial material

NAKASEIKI

⚙️✨ Ultra-Precision Machining – Elevating the Quality of Every Component
We specialize in manufacturing ultra-precise mechanical parts that meet the stringent standards of advanced industries. With a modern base machine system and a 16-step closed-loop process, our production capacity reaches up to 500,000 units per month—a proven figure from actual output. Continuous innovation drives us to enhance both speed and precision.

📏 Astonishing Accuracy
- Angular Division: ±0.003 mm
- Surface Flatness: ±0.002 mm
- Hole Positioning: ±0.005 mm
Our machining process ensures no scratches on pre-painted surfaces and handles high-volume production with ease:
- Mobile Phone Casings: > 500,000 units/ month
- Automotive Airbag Components: > 600,000 units/ month
- Automotive Audio Parts : > 400,000 units/ month
- DVD/Blu-ray Reader Components: > 400,000 units/ month

🌀 Excellence in Die-Cast Aluminum
We have successfully developed a die-cast aluminum rotary table through an automated process, achieving exceptional aesthetic quality. The main shaft hole is machined using precision cutting tools to a diameter of φ1.998 ±0.002 mm—a true benchmark of craftsmanship.