Baoyi Refractories was established in 1956, formerly known as State-owned Yixing Refractories Factory, with three production bases in Yixing, Jiangsu Province (Wuxi Baoyi Refractories Co., Ltd.), Sanmenxia, Henan Province (Yima Baoyi New Materials Co., Ltd.) and Zhanjiang, Guangdong Province (Zhanjiang Baoyi Refractories Co., Ltd.), and an annual production capacity of 170,000 tons of unshaped refractory materials. The main business of Baoyi Refractories is the development, production and sales of unshaped refractories for ironmaking, as well as the overall contracting business of refractory construction services and daily maintenance. Its main products include unshaped refractory castables for blast furnace ironworks, anhydrous gunite and intelligent permanent layer prefabricated parts. Baoyi Refractories has been focusing on the development and application of new technology and new products for ironmaking refractory materials, and is a nationally recognized high-tech enterprise, a "small giant" enterprise with specialties and specialties, a demonstration workshop of intelligent manufacturing in Jiangsu Province, and a standard enterprise of two-chemical fusion in Jiangsu Province.