Izinto ezisisiseko zenziwe ngamacwecwe ensimbi aphakamileyo abandayo asuka e-Wuhan Iron kunye ne-Steel Co., Ltd. kunye ne-Panzhihua Iron and Steel Co., Ltd. Ichetywe ngokuchanekileyo kwaye ibethelwe ngendlela ephakamileyo Iyamkela uchungechunge lweenkqubo ezibandakanya unyango lwe-nitrogen yegesi, ukufudumeza kwe-thermal kunye ne-anti-rust ireyithi yokuvula i-30% -40% ye-2.0 nangaphantsi kwe-2.0 yi-40% -48%, kunye neemveliso ezigqityiweyo ihlolwe ukuqinisekisa umgangatho.