2019 Ua hoʻopau ʻia kahi papa hana hou a hoʻokomo ʻia i ka hoʻohana. Me ka laina hana hou, ua hoʻonui mākou i kā mākou hana hana makahiki he 300 tons. 2018 Ua hoʻokomo ʻia ka ʻōnaehana ERP i ka hana a me ka hoʻokele. 2007 Ua hoʻopau ʻia ka hale hana hou a hoʻohana ʻia, ua hoʻonui mākou i kā mākou hana hana makahiki he 150 tons. 2006 Hāʻalo mākou i ka ʻōnaehana hoʻokele maikaʻi GB/T19001/ISO9001. 2002 Ua hāʻawi ʻia kā mākou ʻano hana carbide "hoʻokahi-step" e ke Aupuni Chengdu no ka holomua ʻepekema a me ka ʻenehana. 1993 Hāʻawi ʻia kā mākou YGN-2 grade carbide me ka makana gula o ka hoʻokō ʻenehana patent National. 1992 Ua hoʻokumu ʻia ʻo Chengdu Tianyuan Carbide Tools Co.Lted (Original of Chengdu Tianhe Tungsten Carbide Tool Co., Ltd.)
