(1) Adopt nodular cast iron-QT500-7, iyo mainframe wallboard inokandwa neyakakosha tekinoroji maitiro, nekudaro inoratidzira nesimba rakawanda, kusambo shandura uye kuve nechokwadi chekuchengetedza mainframe wallboard.
(2) Adopt Taiwan-inopinza inopindirana meshini yekuona kuti muchina unoshanda nemazvo uye kuderedza kuitika kwekutadza kwehuwandu.