Prospine provides one-stop solutions for all your magnet product and metal processing needs.

ProspineLogo Prospine Co.,Ltd.
Hours: 9:00-17:00 (weekdays)
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Precision Parts Processing Business

Prospine Inc. (formerly Shoei Koki) has been manufacturing and processing precision machine parts in Osaki City, Miyagi Prefecture, since its founding in 1978.

We particularly excel in mold parts and press parts processing. We flexibly accommodate customer requests regarding processing methods and delivery times.

Machining Samples

Machining

Fast and beautiful machining

Waterjet

Cuts metal using water pressure

Prospine's Commitment to Quality

To achieve precision at the 1/1000mm level, we are fully equipped with various measuring instruments for rigorous quality control. Here we introduce the equipment we use to inspect processed parts from various angles and deliver highly precise products.

Tool microscope

A type of measuring microscope that measures fine dimensions (length, angle) of machine parts (including precision parts), tools, gauges, etc.

Profile projector

A machine that projects a magnified image of the object onto a screen and measures its contours and points as coordinate values

One-shot 3D measuring microscope

Measures surfaces in 3D without contact. Height, angle, radius, and other measurements at multiple points can be captured instantly in a single shot. Surface roughness and waviness can also be calculated, enabling numerical quality control.

About Our Processing Equipment

We process parts making the most of a variety of processing equipment, including machining centers, milling machines (NC and general-purpose), waterjet cutting machines, and drilling machines. For details on our equipment, please see our equipment list.