Zopangidwa ku China zida zosinthira zamakina a zaulimi, mapulawu ndi mafosholo apamwamba a 30MnB5, mafosholo a nthaka, malo olumikizira nthaka ofanana ndi masika
Zogulitsa zonse zimapangidwa ndi chitsulo cha boron chapamwamba kwambiri, pambuyo popangira ndi kukonza kutentha, kuti zitsimikizire kuti chinthucho chili ndi kulimba kokwanira komanso kukana kuwonongeka. Zogulitsazo zimatumizidwa ku Russia, Lithuania, Spain ndi mayiko ena, pambuyo poyesa zinthu zambirimbiri ndi makasitomala, magwiridwe antchito ake ndi apamwamba kwambiri.

















