Nā ʻāpana wili Tricone nui IADC635 9 7/8 a me IADC735 9 7/8 me ke kumu kūʻai hoʻēmi i ka waihona

Loaʻa iā mākou i kēia manawa kahi waihona nui o nā ʻāpana wili mining hou a kiʻekiʻe ke kūlana kiʻekiʻe, me nā hiʻohiʻona IADC635 9 7/8 a me IADC735 9 7/8. Inā makemake ʻoe, e ʻoluʻolu e kelepona koke mai iā mākou ma +86-18563617956.