Hydraulic pumps, cylinders, gearboxes, and other devices used to power heavy equipment such as construction, industrial, and agricultural machinery

procurement process

Basic procurement policies


In order to provide our customers with superior products, Koretsune Seiko seeks business partners capable of supplying high-quality, cost-effective, and environmentally friendly products in a timely manner. We also seek to maintain mutually beneficial relations with our own suppliers through fair and equitable transactions.

Becoming a Koretsune Seiko supplier

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