Jiangsu Junyao Wear-Resisting fire-resistingl Co., Ltd is founded in 1992 in Yixing, the capital of ceramics in China. As a joint-stock enterprise of R&D, production, operation, design and construction, Junyao has three manufacturing plants and a refractory material testing laboratory, offering services to cement industry, petrochemical industry, electronic industry, metallurgy industry, power generation industry and other fields. Currently, it is an AAA-credit enterprise, and is recommended by the Department Engineering Construction of Sinopec. Meanwhile, Junyao is also the first-tier enterprise for material reserves of PetroChina, and a designated supplier of the State Grid Corporation. As the standard maker of silica-mullite-andalusite bricks (GMB Bricks), Junyao passed ISO9002 quality system certification in December 1999, and won the second Award on Science and Technology Progress by the China Building Material Federation in December 2011.

"Technology creates value" is the company's slogan. Junyao has researched and developed one kind brick in which the main elements are silica and mullite crystal. It even has the proprietary intellectual property rights. More to the point, in the current domestic, it is the only precedent to comprehensive substitute this new kind of brick for the imported spinel brick about being used in transitional zone and the mouth of kiln which belong to one 5000 T/D rotary cement kiln. The bricks' advantages---"long use life, energy conservation and emission reduction, convenient warehousing" make the ideal effect when they are applied in the synchronization using of all refractory materials in the kiln.