We,KINGRAY NEW MATERIALS SCIENCE & TECHNOLOGY CO., LTD, located in Hunan, is a hi-tech public company established by CRIMM (Changsha Research Institute of Mining and Metallurgy), a big hi-tech enterprise directly under central government, Valin group and other four enterprises.

Kingray has register capital of RMB 106.70 million and total assets over RMB 1 billion. It is comprised of several subsidiaries and holding companies, most of which have been awarded ISO 9001 certification. Kingray is a leading manufacturer of industrial diamond powder with the production capacity of over 9 million carats per month. We have been manufacturing and exporting diamond powder for many years. With excellent quality and fully competitive price, all our products are exported to overseas markets and they enjoy high reputation among our business partners and customers, and our trade partners are satisfied with our products.

below is the main sizes for our diamond powder:
micron:M0-0.25ÿÿÿÿÿÿÿÿM0-0.5
ÿÿM0-0.75 ÿÿÿÿÿÿ M0-1
ÿÿM0-2 ÿÿÿÿÿÿÿÿÿÿM1-2
ÿÿM1-3 ÿÿÿÿÿÿÿÿÿÿM2-4
ÿÿM3-6 ÿÿÿÿÿÿÿÿÿÿM4-8
ÿÿM5-10 ÿÿÿÿÿÿÿÿ M6-12
ÿÿM8-16 ÿÿÿÿÿÿÿÿ M10-20
ÿÿM12-22 ÿÿÿÿÿÿÿÿM20-30
ÿÿM22-36 ÿÿÿÿÿÿÿÿM30-40
ÿÿM36-54
ÿÿ
US mesh:
60/70ÿÿÿÿÿÿÿÿÿÿ70/80
ÿÿ80/100 ÿÿÿÿÿÿÿÿ100/120
ÿÿ120/140ÿÿÿÿÿÿÿÿ140/170
ÿÿ170/200ÿÿÿÿÿÿÿÿ200/230
ÿÿ230/270ÿÿÿÿÿÿÿÿ270/325
ÿÿ325/400ÿÿÿÿÿÿÿÿ400/500


If you are interested in our products, please feel free to contact us. We may send you the samples on your request, and we appreciate receiving details regarding our products we can offer.

Looking forward to your prompt reply.

Yours truly,

Gavin Duan
Export Engineer
KINGRAY NEW MATERIALS SCIENCE & TECHNOLOGY CO.,LTD
TEL: 86-731-8657380
FAX: 86-731-8657502
EMAIL: [email protected]
WEBSITE: www.king-ray.com.cn www.king-ray.com
ADD: No 1, South Lushan Road, Changsha, Hunan, China
P.C.: 410012