オーエスジーダイヤモンドツール Company Profile

Maximize the hardness of diamond, the hardest mineral on Earth, as a weapon.

Since our founding in 1968, we have developed, manufactured, and sold diamond cutting tools. In December 2024, we changed our company name to OSJ Diamond Tool Co., Ltd. Our products are utilized in various fields, including the automotive and electronics industries, as well as in areas related to LCDs, communications, optical components, and medical applications. We are also committed to advancing in the precision machining industry. We will further enhance our capabilities in cost, delivery, and quality, while actively developing new proprietary technologies to quickly respond to our customers' needs with effective products. We have standardized the inventory of "N-BRAND" single crystal diamond tools. For more details, please visit our company website.