Welding companies in saudi arabia including hayil, ad dammām, riyadh, ta’if, and more. company list. ... zhejiang ruili cemented carbide co.,ltd info phone hayil yueqing center industrial zone welding rods rotary switches blank records & tapes welding tips switches. Inside the core, in between the fuel rods, there are control rods, made of boron, boron steel or boron carbide, which are used to control the nuclear reaction. boron is a good absorber of neutrons. these rods can be moved in and out of the core and they will be of different types. We are equipped with advanced equipment and specialized persons,especially have rich experience in making products of complicated configureations. ) 9) best after-sale service 3.boron carbide rod description the boron carbide rods are in very high hardness, excellent wear resistance and the boron carbide won’t react with acid-base. Find a local authorized kennametal distributor in your area. kennametal delivers world-class products and services that make us a premier tooling manufacturer globally. our distributors know us, and more importantly, they know you.