Synthetic Diamonds

Synthetic Diamonds

By adopting latest technology, CRIMM is supplying a full line of quality synthetic diamond saw grits and grinding products. Each year CRIMM sold 150 million carats of synthetic diamond products to domestic and overseas market.

Manganous Manganic Oxide

We supply CR series of high purified manganous manganic oxide which is used as one of important raw materials to produce Mn-Zn ferrites, and get most famous ferrite companies' approval.

Electroytic Manganese Metal

With production base in west of Hunan Province, we are in a position to supply 20000MT electrolytic manganese metal flakes, 6000 MT manganese metal powder and 12000 MT manganese metal lumps per year.

Nickel Hydroxide

CRIMM started R&D work on nickel hydroxide in 1990's,and established the first production line 1994.At the moment CRIMM's annual production capacity is up to 2000 metric ton, and products covers 3 series total 11 types and some new types are under development.As an ISO 9001:2000 qualified manufacturer, CRIMM's products are well accepted and used by leading producers in batteries industry.