Wuhan Dida Kundi Technology Co., Ltd., established on 2003-05-26, The scope of business includes the development of computer software and hardware,to develop,Technical Services;Geological and mining engineering services,Geological exploration,Oil, gas and coal field development,network engineering;computer software,hardware sales.

Part of Silvercorp Metals, Inc., Henan Found Mining Co., Ltd. is a Chinese company located in Luoyang. The firm explores sliver and gold.

Tibet Julong Copper Industry Co., Ltd. engages in the selling of mineral products. Its business scope includes sale of mineral products; sale and lease of mining equipment, smelting equipment, geological exploration, construction and transportation vehicle; realtor; sale of construction materials, electromechanical equipment and accessories, chemical raw materials and products, and plastic products; and mining, smelting, processing, and sale and service of non-ferrous metals, rare metals, and non-metal. The company was founded on December 14, 2006 and is headquartered in Lhasa, China.

Yantai Mujin Mining Co., Ltd., established on 1981-11-14, Business scope includes gold ore mining,Mine Safety Accident Emergency Rescue,Preventive Safety Check,Realtor,Foreign investment with self-owned funds(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Not approved by financial regulators,Not to engage in deposit taking,financing guarantee,Financial services such as wealth management on behalf of clients).

China Coal Geology Group Co., Ltd., part of China National Administration of Coal Geology, is a Chinese company located in Beijing. The firm provides exploration services in coal and other mineral products.

Development Research Center of China Geological Survey is a Chinese company located in Beijing and ultimately controlled by the Government of China that operates a research center undertake construction work of geological survey information; engages in the development and planning of geological work.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

Tibet Huayu Mining Co., Ltd. engages in the non-ferrous metal mining, mineral processing, and geological prospecting businesses. Its products include zinc concentrate, lead antimony concentrate, and copper concentrate. The company was founded on October 22, 2002 and is headquartered in Beijing, China.

Xizang Huaxia Mining Co. Ltd. is a Chinese company. The firm engages in the mining of metals and minerals.

China Nonferrous Metal Guilin Geology & Mining Co. Ltd. is a company headquartered in China ultimately controlled by the Government of China. The firm provides mining and geological survey services.

Anhui Tongguan (Lujiang) Mining Co., Ltd., part of Tongling Nonferrous Metals Group Co., Ltd., is a Chinese company located in Chaohu that mines and distributes minerals. On November 07, 2012 Tongling Nonferrous Metals Group Co., Ltd. acquired Anhui Tongguan (Lujiang) Mining Co., Ltd. from Tongling Nonferrous Metals Group Holdings Co., Ltd. for $160.26 million.

Ansteel Group Mining Co., Ltd. engages in the iron ore mining. Its business includes prospecting, mining, beneficiation, and pellet production; mining process design and development; engineering technology output; and industrial chain of metallurgical mines. The company has iron mines, ore dressing plants, modern sintering plant, pellet plants, and auxiliary mines such as limestone, manganese ore and activated lime. Its industrial management consists of exploration industry,\nmining industry, mineral processing, civil explosion engineering, and mining engineering. The company was founded on May 29, 1984 and is headquartered in Anshan, China.

China National Uranium Co., Ltd. engages in the exploration and development of uranium resources. It also provides natural uranium products. The company was founded on May 29, 1989 and is headquartered in Beijing, China.

Yunnan Metallurgical Resources Co., Ltd. principally engages in the exploration of solid mineral resources and the operation of mining rights. It also invests in mining rights, provides technical services for resource exploration, offers mining right business consultation services, and constructs mining projects. The company was founded on July 23, 2008 and is headquartered in Kunming, China.

CNNC (Inner Mongolia) Mining Investment Co., Ltd., established on 2008-01-29, Business scope includes mineral resources(non-coal mine)mining;Mineral Resource Exploration;Geological exploration of metal and non-metal mineral resources;Mapping service;Inspection and testing service;Construction of geological disaster control engineering;Geological disaster control engineering survey;Geological Hazard Risk Assessment;Geological disaster control engineering design;Radioactive Contamination Monitoring;Real estate development and management;Construction Engineering Survey;Construction Engineering Construction;Construction labor subcontracting;Construction engineering design;Dismantling of scrapped motor vehicles;ELV Recycling;food paper packaging,Production of container products;Packaging and decoration printing;document,Information and other printed matter printing;accommodation service;Catering Services;Engage in investment activities with own funds;Basic geological survey;Geological Exploration Technical Services;Geological disaster management service;Environmental Consulting Services;Soil Pollution Control and Restoration Services;Land Survey and Evaluation Services;Land Consolidation Services;Ecological resource monitoring;Hydrological Services;water pollution control;software development;Manufacturing of computer software, hardware and peripheral equipment;hotel management;property management;Non-residential real estate leases;Machinery and Equipment Leasing;Typing and copying;Computer and Office Equipment Repair;Sales of office equipment consumables;Manufacturing of special equipment for geological exploration;Mechanical Parts,Parts processing;total mass4.5Road freight transport of ordinary freight vehicles of 1 ton or less(Except network freight and dangerous goods);Metal Material Sales;Metal material manufacturing;Metal Ore Sales;Sales of non-metallic minerals and products;Sales of building materials;Lubricant sales;Sales of daily chemical products;Bidding agency service

Beike Yunhong Environmental Protection Technology (Beijing) Co., Ltd., established on 2017-03-10, Business scope includes environmental pollution control technology development,Technology Promotion,Technical Services;Solid waste pollution control;product design;Rental construction machinery,construction equipment;Health Advisory(Except for medical treatment activities subject to approval);Organize cultural and artistic exchange activities(Except for performances);Conference Services;Enterprise Marketing Planning;Business Management Consulting;Economic and Trade Consulting;sale of building materials(Not engaged in physical store operation),Wujinjiaodian(Not engaged in physical store operation),medical instruments(limitIkind),clothing,knitted goods,plastic products,arts and crafts,daily necessities,Green facilities,Electrical Equipment,Instrumentation,electronic product,Fire equipment,Equipment,Labor protection supplies,Chemical Products(Free of Hazardous Chemicals);repair electrical equipment,Instrumentation,electronic product,Fire equipment,Equipment.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Fujian Zhenghe Yuanxin Mining Co., Ltd., a subsidiary of Province of Shandong, is a company headquartered in China. The firm engages in gold and silver mining operation.