Engineering of our construction diamond cores’ drill bits is conforming to the industry standards as the most advanced ones. Due to the combination of the latest technologies and high-quality materials, these drill bits cut the hardest coated surfaces without any problems. The special design allows a reduction of heat and an increase in cutting speed thus increasing the efficiency of the tool. You can confidently use our products as we are committed to coming up with cutting edge innovations and maintaining the highest quality.
Copyright © 2024 by Beijing Deyi Diamond Privacy policy