Tohoku Seisakusho is a specialized machining company based in Kanagawa, Yokohama, offering high-precision metal and non-ferrous metal parts production. The company utilizes advanced CNC turning, machining centers, and multi-tasking machines to handle complex components ranging from 1mm to 220mm in diameter. Their expertise encompasses prototype development through to large-scale mass production, including threading, keyway milling, and tapping services. They are committed to delivering high-quality, high-precision results with short lead times for diverse industrial applications. The company serves clients by providing reliable manufacturing solutions for both standard and custom metal parts.

Nabesay Co., Ltd. is a comprehensive manufacturing facility specializing in precision machining, including lathe work, milling, tapping, and assembly. They provide integrated production services ranging from prototype development to mid-lot mass production using a wide variety of metals and resins. The company emphasizes rapid response times, offering estimates within a half-day and coordinating material procurement, surface treatments, and heat treatments through a network of specialized partners. By combining traditional manual lathe skills with modern CNC machining capabilities, they support diverse requirements from small precision parts to large components exceeding 100kg. Their services are designed to offer a complete one-stop solution for complex assembly and custom part production.

Warabi Co., Ltd. is a precision metal fabrication specialist based in Takasaki, Gunma, Japan. The company offers integrated manufacturing solutions ranging from material processing to welding and precision machining. Their core capabilities include metal cutting, bending, welding, CNC turning, and horizontal machining. Warabi provides full-service production, enabling the company to handle complex geometries and custom requirements efficiently. They emphasize cost-effectiveness and flexibility, specializing in small-lot production and rapid turnaround for clients with provided technical drawings.