Woosung Ceramics Industrial Co. Ltd. is a South Korean private company. The firm engages in manufacturing of brick and structural clay tile.

Gonggan Ceramic Co., Ltd. manufactures concrete block and brick. The company was founded on October 2, 1983 and is headquartered in Anyang-si, South Korea.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

Gansu Delong Ecological Building Materials Co., Ltd., established on 2014-02-28, The business scope includes slag superfine powder,Production and sales of new building materials for energy saving and consumption reduction,Construction waste disposal and utilization integration project and technical consultation and service.(Projects subject to approval according to law can only be operated after being approved by relevant departments)***

United States Gypsum Co., part of Gebr. Knauf KG, is a company headquartered in Chicago, IL, that manufactures gypsum based building materials and products.

Korea Institute of Ceramic Engineering & Technology (doing business as KICET) is a South Korean private company located in Seoul. The firm operates as a ceramic engineering institute.

Jinan Tianshuo New Wall Material Co., Ltd., established on 2012-10-25, Business scope includes R&D, production and sales of self-insulating concrete blocks;Energy-saving wall panels,dry powder mortar,concrete porous brick,Brick,Checkered brick,Concrete Curbs For Sale;Municipal Highway Engineering Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zunyi Titanium Co. Ltd. is a Chinese private company that manufactures and supplies titanium sponge.

Yiyuan Futai Building Materials Co., Ltd., established on 2017-11-29, The scope of business includes the manufacture of clay bricks and tiles;building block manufacturing;Manufacture of non-metallic mineral products;Wholesale of building materials;Recycling of renewable resources(Removal of productive scrap metal);Coal and product sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Henan Zhongyuan Special Refractories Co., Ltd., established on 1997-09-23, Business scope includes production and sales of refractory materials;Import and export trade of goods and technology;Kiln engineering construction;Realtor.

Shanghai Meishan Iron & Steel Co., Ltd. is a Chinese company located in Shanghai and ultimately controlled by the Government of China. The firm manufactures steel products. On August 12, 2004 Baoshan Iron & Steel Co., Ltd. acquired Shanghai Meishan Iron & Steel Co., Ltd. from China BaoWu Steel Group Corp. Ltd.

Sinosteel Luonai Materials Technology Co., Ltd. engages in the research and development, manufacture, and sale of refractory materials. Its products include siliceous, magnesia, high alumina, composite, high purity oxide, and functional refractory materials. It also offers refractory materials for steelmaking and ladle, unshaped refractory materials for pellets belt roasters, unshaped materials for pulverized coal gasifiers, and high temperature materials for national defense industries. The company was founded in 1958 and is headquartered in Luoyang, China.

Beijing Sifangrugang Concrete Products Co., Ltd., established on 2002-05-13, The scope of business includes the production of municipal components,Prefabricated manhole,cross the canal,Concrete products such as breathable bricks;Professional contractors;Sales Wujinjiaodian,building materials;Economic Information Consulting(No intermediary services);technology development,technology transfer,Technical Services,technical consulting;Warehousing Services;lease commercial premises;Construction General Contracting;Professional contractors;Labor subcontracting;Construction Project Management.(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.)

Zhejiang Jincheng New Materials Co., Ltd., established on 1998-06-19, Business scope includes research and development of high temperature new materials,Design of Industrial Furnace Production Technology,Research and development of refractory materials,Production,Insulation Materials,Production and sales of building materials,Import and export,Metallurgical Engineering Construction,General cargo.

Hyundai CM Co., Ltd. is a private company headquartered in Seoul, the South Korea. The firm provides construction services.

Wuhan Iron & Steel Co., Ltd. engages in the processing and manufacturing of iron and steel products. Its products include silicon steel, hot-rolled, cold-rolled, section steel, wire and rod. The company was founded in 1954 and is headquartered in Wuhan, China.

Xi'an Coal Technology Co., Ltd., established on 2019-02-02, Business scope includes material saving and energy saving technology,Indoor and outdoor environmental protection materials,Environmentally friendly products,Research and development of new energy technologies;Equipment,mechanical product,Electrical Equipment,building materials,Sales of energy-saving products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Chengdu Niyun Pottery Co., Ltd., established on 2007-12-20, The business scope includes ceramic products(Including Stove Ceramic Tiles),Production of electrical products,Sales[Items subject to approval by law,Business activities can only be carried out after approval by relevant departments].

Erlus AG engages in the manufacture and sale of roofing and chimney construction materials. The company was founded in 1842 and is headquartered in Neufahrn, Germany.