KJS-tool (科佳盛) is an OEM manufacturer and specialist in high-end PCD and CBN superhard cutting tools, headquartered in the manufacturing heartland of Guangdong, China — connecting global customers with precision tooling that delivers extreme performance.
Founded in the heart of China's tooling industry, KJS-tool focuses on the manufacturing, quality control and export of PCD and CBN superhard tools — from standard inserts to complex special tooling. As an OEM supplier to leading superhard tooling brands, we combine production capability with export-grade inspection, so our customers receive factory-direct pricing without compromising quality.
Our team combines deep knowledge of carbide grades, coatings and machining applications with a customer-first service approach — from first sample to repeat orders.
Four principles guide how we select products, serve customers and build long-term partnerships.
Every tool must pass inspection before it earns a place in our catalog or your shipment.
We keep upgrading grades, coatings and processes as machining technology evolves.
We win when you save cost, reduce downtime and improve part quality.
Clear pricing, real lead times and honest technical advice — no surprises.
From a local trading office to an international tooling supplier, every milestone reflects our commitment to quality and service.
Started as a cutting tool trading company in Guangdong, serving domestic machining workshops.
Delivered first container orders to Southeast Asia and the Middle East.
Implemented full inspection and traceability processes across all partner factories.
Began private-label and custom tooling projects for distributors worldwide.
Expanded to more than 30 countries across Asia, Europe, the Americas and Africa.
