Me nā makahiki o ka ʻike hohonu i ka ʻoihana, e hilinaʻi ana i ka mana koʻikoʻi a me ka hoʻomau ʻana i ka ʻenehana hoʻomau, ua loaʻa i ka hui nā helu mana mana, nā palapala hōʻoia a me nā palapala patent, me ka ISO ISO quality management system certification, mining product safety certification, as well as multiple invention patents and utility model patents for equipment structure optimization and profound technical production optimization.


















