Hana ʻo Taizhou Xiangrong Precision Technology Co., Ltd. i nā mea hoʻokomo CNC me ka hoʻohana ʻana i kekahi o nā pauka maikaʻi loa i loaʻa, a hiki i ka hui ke hāʻawi i kahi ʻano o nā pauka nūnū carbonized, mai nā pauka ultra-fine me ka nui o ka nui o ka nui o 0.5 microns. i ka palaoa palahalaha.