Description:

Kingray has more than 20 years' experience in developing and producing synthetic diamond and enjoys good fame in the domestic market for its strong R&D, advanced techniques, strict quality control system and perfect after-sale service.

With annual capacity over 120 million carats, Kingray can fully meet
customers' requirements for all kinds of diamond, including boron-doped product.

KRD820  

It has complete cubic octahedral crystal shape, little impurity, very smooth surface, good transparency, extrahigh impact strength and excellent thermostability.
Suitable for cutting tools, drilling tools and dressing tools for the hardest natural stones and reinforced concrete.

KRD720  

It has complete and regular crystal shape, little impurity, very smooth surface, good transparency, extrahigh impact strength and excellent thermostability.
Suitable for cutting tools, drilling tools and dressing tools for the hardest natural stones and reinforced concrete.

KRD620  

It has complete and regular crystal shape, little impurity, smooth surface, good transparency, high impact strength and excellent thermostability.
Suitable for cutting tools, drilling tools and dressing tools for hard stones and construction materials.

KRD520

It has regular crystal shape, very low impurity content, neat surface,
high impact strength and good thermostability.
It is a common abrasive with excellent property.
Suitable for drilling tools and dressing tools for stones and concrete.

KRD420

It has regular and relatively complete crystal shape, low impurity content, neat surface, relative high impact strength and good thermostability.
Suitable for cutting tools for stones such as hard granite, concrete and refractory materials.

KRD320

It has regular and relatively complete crystal shape, low impurity content and relatively high impact strength.
Suitable for cutting tools for stones such as hard granite and marble, concrete and refractory materials.

KRD230

It has regular crystal shape and relatively high strength.
Suitable for tools for processing stones and easycutting and easydrilling construction materials, and metal-bonded grinding tools as well.

KRD220  

It has relatively complete crystal shape and relatively high strength.
Suitable for metal-bonded grinding tools and electroplated drilling or grinding tools for marble, granite, glass and ceramics.