Beijing Jinyu Tongda Refractory Technology Co., Ltd., established on 2006-05-10, Business scope includes research and development of various new refractory materials;technical consulting,Technical Services;Wholesale Refractories;and the import and export of the above products(Involves quota license management,Commodities managed by special regulations shall be handled in accordance with relevant state regulations);Production of various new refractory materials.(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 Changxing Jiuxin Refractory Technology Co., Ltd., established on 2010-07-19, The business scope includes refractory materials,Production of insulation materials,Sales,Gas Furnace Design,manufacture,Install.

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.

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.

Gongyi Tongda Zhongyuan Refractory Technology Co., Ltd., established on 1994-10-28, Business scope includes production,Sales:refractory material;Sales:Mechanical equipment and accessories,Raw materials for refractories(Free of Hazardous Chemicals);Engaged in the import and export of goods and technology(Except for goods and technologies that should be subject to approval before being operated or prohibited for import and export according to national laws and regulations);Refractory Testing Services.

Hunan Xianggang Ruitai Technology Co., Ltd., established on 2006-09-22, The business scope includes refractory materials and related equipment,Metallurgical charge,Steel structure,Manufacture of non-standard equipment,Sales;building maintenance;Mechanical and electrical installation;Furnace construction,Anti-corrosion insulation and waterproof engineering design,construction;Machine made,repair.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Henan Xinmi Chint Refractories Co., Ltd., established on 2001-03-14, Business scope includes#foreign trade,Goods and technology import and export business,Production and sales of refractory materials;Kiln engineering professional contracting;(The above projects are operated with valid approval documents and qualification certificates).Industrial Professional Construction Engineering,Civil Engineering Basic Construction Engineering,Steel structure manufacturing and installation engineering contracting(Projects that should be subject to examination and approval according to laws and regulations shall not be operated before they are approved).

Ruitai Materials Technology Co.,Ltd. Is a joint-stock company based on the former China Building Materials Academy(CBMA) which initiates and also holds the controlling share (be called RUITAI TECHNOLOGY for short,code:002066).Taking the advantages of combining research, process, marketing and technical service in the domestic and oversea markets, RUITAI TECHNOLOGY and its subsidiaries supply not only first-class refractory materials for the pyroprocessing furnace of cement and glass industry, but also supply distinctive technical services to our customers in terms of refractories optimization, products supply, and furnace installation.

Anhui Haili Machinery Manufacturing Co., Ltd., established on 2006-09-28, Business scope includes cement machinery,construction machinery,Manufacture and maintenance of ship machinery parts,Manufacture and repair of hydraulic components(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Part of Annec Green Refractories Corp., Zhengzhou Annec Industrial Co. Ltd. is a company headquartered in Zhengzhou, China, that manufactures and sells medium and high level refractory materials for combustion type hot blast stoves. The firm was founded by Fu Chao Li. Jian Tao Li is the current CEO, occupying that position since 2003.

Anhui Ruitai New Materials & Technology Co. Ltd. (doing business as Ruitai New Materials & Technology Co. Ltd.), a subsidiary of Ruitai Materials Technology Co., Ltd., is a Chinese company located in Ningguo. The firm manufactures and distributes chrome steel balls.

Changxing Xingying New Refractory Building Materials Co., Ltd., established on 2006-03-15, The business scope includes the production of refractory materials,Sales,Furnace Engineering,Metallurgical Engineering Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Baoshan Iron & Steel Co., Ltd. is principally engaged in the manufacture and trading of iron and steel products and byproducts. The Company operates the business through three business divisions, including steel manufacturing division, which manufactures carbon steel, stainless steel, special steel and other steel products; steel sale division, which involves in the trading and sale of steel products, and other divisions, which covers finance, chemical, information and other units.

Sinosteel Luoyang Institute of Refractories Research Co. Ltd., a subsidiary of Sinosteel Luonai Materials Technology Co., Ltd., is a Chinese company. The firm manufactures and distributes refractory materials.

Refractaria SA engages in the manufacture and distribution of clay and non-clay refractory materials. Its products include refractory bricks, concrete, mortar, refractory cements, insulating bricks, antacid coatings, and special pieces for all types of industrial applications for the steel, aluminum, cement, ceramic, and lime sectors. The company was founded in 1948 and is headquartered in Siero, Spain.

Shandong Refractories Group Lunai Kiln Industry Co., Ltd., established on 2001-05-25, The business scope includes refractory materials,Manufacture of special ceramics,Sales;kiln design,Install,repair;mechanical,Manufacturing of electrical appliances,Install,repair;metallic material(In addition to non-ferrous metals),Sales of building materials;Import and export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Zhengzhou Yuxing Refractory Co., Ltd., established on 2019-01-11, Business scope includes blast furnace,Production of Refractories for Hot Blast Stoves,Sales and related technical services.

Krosaki Harima Corp. engages in the business of refractories and ceramics. It operates through the following segments: Refractory, Furnace, Ceramics, Real Estate, and Others. The Refractory segment manufactures and sells general refractory products for kiln industry. The Furnace segment designs, constructs and repairs furnaces. The Ceramics segment manufactures and sells fine ceramic products and landscape materials. The Real Estate segment leases stores and warehouses. The Others segment manufactures and sells lime for steel plant. The company was founded on October 14, 1918 and is headquartered in Kitakyushu, Japan.

Wuxi Yuanneng Refractories Co., Ltd., established on 1987-12-14, Business scope includes licensed projects:Power generation business,Transmission business,for(match)Electric business(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:Refractory production;Manufacturing of thermal and acoustic insulation materials;Manufacture of special equipment for environmental protection;Fabrication of Metal Structures;Refractory Sales;Insulation Material Sales;Environmental protection special equipment sales;Metal Structure Sales;Metal Products Sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Jinta County Blackstone Mining Co., Ltd., established on 2011-03-02, Business scope includes mineral processing,mining,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)