About us

We are going to the world with the meaning of great treasure.


Great Treasure


“Daejin Diamond Co., Ltd.” is the leading manufacturer of high quality diamond cutting and grinding tools. Established 1987, we started as manufacturer for sintered diamond cutters and became one of the leading manufacturer and developer for top level laser welded blades in Korea.

Today, we apply our innovative production technology combined with the newest production equipment and satisfy our customers' needs in more than 50 countries all over the world, including the highly competitive local market. We are continuously keeping pace with increasing customer requirements by developing unique and high performance products using state-of-the-art technology.

Our flexible structure enable us to control our quality and lead-time very effectively. In this way, we provide the best customer service and keep up trustworthy long-term relationships to our customers. We are proud to offer you best quality products at competitive prices as a total solution manufacturer for various kinds of cutting and grinding tools. By manufacturing and developing high qualified products, we strive to distinguish ourselves from competitors and low quality products.

High quality diamond tools are our business, that's why we are looking for those who look for quality!


Daejin Diamond

Our competitive edge at a glance

Highly developed technology drawn

from 30 years of R&D

Continuously updated automatized production

system and strict quality control

Flexibility in responding to the customer's request

Customization and development for individual

and special needs

In-time and short delivery

Quick response within 24 hours