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Our company has the equipment and technology necessary to provide complete services to our customers from the initial planning stages to production (welding, machining and assembly).

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Nagao Machinery Works Co., Ltd. manufactures large marine diesel engine parts and equipment, automatic tool and automatic work changers for machining center, customized steel material handling racks, and specialized pallets and jigs for automobile and various other types of production lines.
Nagao Machinery Works Co., Ltd. also deals in a wide range of fields such as manufacturing equipment and environmental improvement equipment.

-----Products-----
Fuel valve injection test equipment for large diesel engines,
Exhaust valve grinding machines,
Air-driven high-pressure hydraulic pumps (220MPa),
Gun drill machines, BTA deep hole drilling machines,
Newspaper advertisement insertion machines.
etc.

-----Services-----
Machine processing of connecting rods, crosshead pins, hydraulic jacks, etc. for large diesel engines, and design and production of assembling tools and tool panels for marine engines and turbo maintenance.
Canning, welding, machining, assembly and hydraulic and pneumatic equipment for machining center ATC and AWC. Design and production of specialized pallets, jig pallets. used in automobile production lines. Rail clamp device for container cranes.

-----Specific equipment used on-site-----
11 sets of portal moving table five sided machining center (6000×2500×2250),
Multiple sided machining center (6000×2500×2250),
NC vertical lathe（2800φ×2000),
NC large lathe (1100φ×4000),
5-axis compounded lathe (650φ×1500),
BTA Deep hole drilling machine (20～150φ×2000),
Wire-cut EDM (600×400×200),
Welding robot, paint shop, finished weight 15Ton assembly factory,
DXF/DWG file compatible 2D CAD/CAM system and 3D CAD/CAM system.

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