[Baotailong: Qitaihe Baotailong Mining Co., Ltd. Minmetals Joint trial Operation] May 29, Baotailong announcement, Qitaihe Baotailong Mining Co., Ltd., a holding subsidiary of the company, received a "filing receipt for joint commissioning of construction projects" issued by Heilongjiang Coal production Safety Administration Bureau, agreeing to the joint commissioning of Minmetals of Baotailong Mining Company from May 25, 2023 to November 25, 2023.