Manufacturers of boron carbide and exporters of boron carbide; manufacturers of boron carbide and exporters of boron carbide. subscribe to gain full access to usa trade data subscribe. 674. shipments found. 74. manufacturers found. 86. buyers found. hunchun zhengxing abrasive co ltd. 139 export shipments of boron carbide boron carbide powder, Additive composite and add north are two swedish companies that have worked together to develop a composite filament based on boron carbide, one of the hardest materials on the market after diamond and cubic boron nitride. marketed under the name addbor n25, it is made of nylon to which boron Boron specialties is an innovation-driven specialty chemical maker. we are proud of our skilled team and committed to manufacturing products in the u.s. for the global market. in addition to products shown above, we have outstanding partners in the boron supply chain and can manufacture, source, and custom-stock many other products. Boron carbideyou find here 12 suppliers from germany russia and china. please obtain more information on spare parts, servicing, maintenance, repair, repair or accessories directly from the registered companies.