Jingri-Cumi Super-Hard Materials Co., Ltd. is a Sino-Indian joint venture invested by China Exploration & Engineering Bureau (CEEB) and Carborundum Universal Ltd. of India (CUMI), who is the largest abrasive pioneer manufacturer in India.

Started in 1974 with a focus on manufacturing synthetic diamond grits for domestic market, the predecessor--JINGRI is one of the first companies in China to make synthetic diamond grits and has grown to become one of the most important suppliers to some of the largest diamond tool manufacturers worldwide. Further in 2002, JINGRI set up a diamond tool manufacturing facility in collaboration with Hyosung D&P Co., Ltd. of South Korea to manufacture diamond tools for stone & construction materials by using the most advanced South Korean technology.

Through out partnership with CUMI in 2006, new workshops were set up for manufacturing conventional bonded & coated abrasive, and more products have been exported worldwide through CUMI's global sales network.

Today, JINGRI-CUMI is able to offer the entire range of conventional and super-hard materials, from synthetic diamond grits to PDC & CBN, from diamond tools to abrasive grinding wheel to meet your stone processing, construction and engineering requirements.