Mudanjiang jingangzuan boron carbide co., ltd is one of the largest enterprises in asia which specializes in manufacturing boron carbide powder and technical ceramic components. it was established in 1958, the former is mudanjiang second abrasive factory. in 2005, we formed the joint venture company with caec(china abrasive imp. & exp. corp.). Finally, boron carbide, the third-hardest known substance, is used in the manufacture of various armors and bulletproof vests as well as abrasives and wear parts. get facts about the element boron the properties, history, production and uses of silicon metal A wide variety of boron pellet options are available to you, there are 46 boron pellet suppliers, mainly located in asia. the top supplying country or region is china, which supply 100% of boron pellet respectively. A wide variety of boron carbide pellet options are available to you, such as electron grade, industrial grade. there are 18 boron carbide pellet suppliers, mainly located in asia. the top supplying country or region is china, which supply 100% of boron carbide pellet respectively.