669 Kunming Survey and Design Institute of China Nonferrous Metals Industry, Grade A solid mineral exploration, No.1 Dongfeng Lane, Dongfeng East Road, Kunming; Grade A geological drilling.

67 Kunming Geological Exploration Institute, General Bureau of Metallurgical Geology, China, Grade A solid mineral exploration, No.12 Ciba Road, Panlong District, Kunming, Yunnan.

671 Yunnan Geological Exploration Institute, General Administration of Geology and Mines of Sinochem, Grade A solid mineral exploration in hedi village, seven kilometers west of Xishan District, Kunming City, Yunnan Province.

672 Yunnan Corps of Geological Exploration Center of China Building Materials Industry Grade A solid mineral exploration in Xiaotuanshan Village, Heilinpu Town, Xishan District, Kunming.

673 Yunnan Geology and Mining Co., Ltd. Grade A solid mineral exploration at No.87 Dongfeng Lane, Dongfeng East Road, Kunming.

674 Yunnan Geological Engineering Survey and Design Institute, No.172 Dongjiawan Road, Kunming, Class A liquid mineral exploration; Hydrogeology, engineering geology and environmental geology survey Grade A; Grade A geological drilling.

675 No.87 Dongfeng Lane, Dongfeng East Road, Kunming City, Yunnan Province, No.2 Institute of Geological Engineering, Grade A geological drilling.

676 Yunnan Southern Geological Exploration Engineering Corporation, No.79 Sheng Xing Road, Xiaguan, Dali City, Class A geological drilling (pit) exploration.

677 Central Laboratory of Yunnan Bureau of Geology and Mineral Exploration and Development (Kunming Mineral Resources Supervision and Testing Center of Ministry of Land and Resources) Grade A geological test of Dashiba in the eastern suburb of Kunming (rock ore appraisal, rock ore test, metallurgical test).

678 Yunnan Geology and Mineral Resources Co., Ltd. Class A solid mineral exploration at No.178 Keyi Road, Kunming High-tech Development Zone.

679 Grade A solid mineral exploration of 18th floor, Ark Building, No.2 Dianchi Road, Kunming, Yunnan Coalfield Geology Bureau; Grade A geological drilling.

68 Yunnan Geological Survey Institute Grade A regional geological survey at No.131 Baita Road, Kunming; Grade A solid mineral exploration.

681 Yunnan Institute of Nonferrous Geology Exploration Class A solid mineral exploration, No.93 Renmin East Road, Kunming; Grade A geological drilling.

682 Southwest Nonferrous Kunming Survey and Design (Institute) Co., Ltd. Class A liquid mineral exploration at No.29 Dongfeng Lane, Renmin East Road, Panlong District, Kunming City, Yunnan Province; Grade A solid mineral exploration; Hydrogeology, engineering geology and environmental geology survey Grade A; Grade A geological drilling.

683 Team 38 of Yunnan Nonferrous Geology Class A solid mineral exploration of Jinhu East Road, Gejiu City, Honghe Prefecture, Yunnan Province; Grade A geological drilling.

684 Yunnan Institute of Nonferrous Geology and Geophysics Exploration Class A solid mineral exploration in Qibuchang, Chenggong County, Kunming; Geophysical exploration class a.

685 Yunnan Nuclear Industry Geological Survey Institute (Yunnan Nuclear Industry Geological Survey Team) Class A solid mineral exploration at No.66 Renmin West Road, Kunming.

686 Grade A solid mineral exploration at No.182 Dongfeng West Road, Kunming, Yunnan Nuclear Industry 29 Geological Brigade.

687 Yunnan Huaxi Mineral Resources Co., Ltd. Class A solid mineral exploration in the annex building of No.87 Dongfeng Lane, Dongfeng East Road, Kunming.

688 Yunnan Copper Mineral Resources Exploration and Development Co., Ltd. Grade A solid mineral exploration on the 6th floor of Kunming Light Industry Guest House, No.92 Renmin East Road, Kunming.

689 Grade A liquid mineral exploration of Wangqiao Bridge, Renmin East Road, Kunming, Yunnan Geological Environment Monitoring Station; Hydrogeology, engineering geology and environmental geology survey are Grade A..

69 geological drilling (pit) exploration of No.87 Dongfeng Lane, Dongfeng East Road, Kunming, Yunnan Geological Engineering Exploration Corporation.

691 Yunnan Geophysical Exploration Mining Co., Ltd. Grade A solid mineral exploration, No.9-3, Main Building of High-tech Information Center, No.398 Second Ring West Road, Kunming; Geophysical exploration class a.

692 Yunnan Geology and Mineral Corporation (Group) Class A solid mineral exploration at No.131 Baita Road, Kunming.

693 Yunnan Institute of Geology and Mineral Exploration Class A regional geological survey at No.87 Dongfeng Lane, Dongfeng East Road, Kunming.