POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

Baker Hughes, Inc. is a private company headquartered in Houston, TX. The firm manufactures oilfield equipment.

Halliburton Energy Services, Inc. provides oilfield services. It offers technical products and services for petroleum, natural gas exploration and production. The company is headquartered in Houston, TX.

In 1949, Seirei Industry Co., Ltd. was established by merging three corporations: SEIREI INDUSTRY Co., Ltd. (Okayama), KYOWA AGRICULTURAL MACHINERY Co., Ltd. (Kochi), and TAKESHITA IRON WORKS Co., Ltd. (Fukuoka). Combining the three corporations specializing in agricultural machinery, Seirei Industry has played a role in fields of modernizing agricultural machinery. The company has been supplying agricultural machinery and construction machinery.

Suzhou Mekafu Industrial Technology Co., Ltd., established on 2016-07-01, The scope of business includes engaging in computer manufacturing,Technology development in the field of software and information technology,Technology Promotion,technical consulting,technology transfer,Technical Services;electronic,Communication and automatic control technology research service;Distributor of metal tools,Electrical Equipment,electronic product,Electrical Equipment,Hardware;Intelligent installation engineering service;Computer hardware and software,Electrical Equipment,Installation of metal tools,Commissioning and maintenance(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:Sales of plastic products;Distribution switch control equipment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Manufactures and distributes steel pipes

Zhenjiang Huanyu Tools Co., Ltd., established on 2000-08-10, Business scope includes tools,hardware,Manufacture of electrical accessories;commodity,Technology import and export trade(Except for goods and technologies that are prohibited or restricted by the state).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Mazda Motor Corp. engages in the manufacture and sale of passenger cars and commercial vehicles in Japan, North America, Europe, China, and internationally. It operates through the following segments: Japan, North America, Europe, and Other Areas. Its products include four-wheeled vehicles, gasoline reciprocating engines, diesel engines, automatic and manual transmissions for vehicles, trucks, various engines, transmission parts, machine tools, and materials for casting. The company was founded on January 30, 1920 and is headquartered in Aki, Japan.

Zhuji Ruibaote Hardware Tools Co., Ltd., established on 2018-10-15, Business scope includes manufacturing,Sales:hardware tools,Machinery Parts,auto parts,Hardware Accessories;Engaged in the import and export of goods and technology.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhejiang Enguang Diamond Tools Co., Ltd., established on 2003-08-05, Business scope includes sales of diamond tools;hardware tools,Manufacturing of mechanical parts,processing,Sales;Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhejiang Baili Tools Co., Ltd., established on 2001-12-03, The business scope includes twist drill bits,metal hole saw,woodworking cutter,Electric Hammer Bit,steam tool,electrical tools,Hardware Accessories,manufacture,Sales;Import and export,Technology Import and Export.

Bit Brokers International Ltd. manufactures and supplies drill bits. It supplies the industry with tools such as hole openers, tricones, tricone cutters, hammers and hammer bits, PDC bits and drag bits. The firm serves construction, oil and gas, mining, horizontal directional drilling (HDD), water, geothermal and environmental industries. The company was founded by Timmy D. Thomas on May 10, 1988 and is headquartered in West Frankfort, IL.

China National Offshore Oil Corporation, or CNOOC Group, is a major national oil company in China. It is the third-largest national oil company in the People's Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China. The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas. The Group’s core operation areas are Bohai, Western South China Sea, Eastern South China Sea and East China Sea in offshore China. Overseas, the Group has oil and gas assets in Asia, Africa, North America, South America, Oceania and Europe. As at 31 December 2015, the Group owned net proved reserves of approximately 4.32 billion BOE, and its average daily net production was 1,358,022 BOE (unless otherwise stated, all amounts of reserve and production in this report include our interests in equity method investees). The Group had total assets of approximately RMB664.4 billion.

CNOOC China Ltd. produces oil and gas in China. It provides prospecting, refinement and processing, and sale of offshore oil and natural gas products. The company also offers offshore petroleum exploration, development, production, and sales. CNOOC China was founded in 1999 and is headquartered in Beijing, China.

Sumitomo Metal Industries, Ltd. engages in the steel business. It operates through the Steel and Other segments. The Steel segment includes pipes and tubes, sheets and plates, construction materials, railway parts, castings and forgings, bars, and titanium products. The Other segment comprises of real estate leasing and electronic components businesses. The company was founded in April 1897 and is headquartered in Osaka, Japan

Yizhong Construction Holding Group Co., Ltd., established on 2011-02-16, Business scope includes licensed projects:Construction Engineering Construction;Construction engineering design;building demolition work(Except for blasting operations);Construction labor subcontracting(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results).General project:Corporate Headquarters Management;Engineering Management Services;Landscaping engineering construction;Machinery and Equipment Leasing;Metal doors and windows engineering construction;Leisure and sightseeing activities(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Ci Xi Guang Hua Shi Ye You Xian Gong Si is a private company headquartered in China, with operations in CN. The firm produces hardware tools, valves and mining equipment.