Yuanda Engineering Materials Development Company subordinated to China Building Materials Academy. It is the original place of sulphoaluminate／ferroaluminate cement (SAC/FAC) series which have won second-class prizes of China national invention awards. The National Building Materials Industrial Standards of SAC/FAC series have been issued. Since established in 1992, Yanda Co. has been designated as high and new technology enterprise by Tianjin new technology industrial zone. The relevant manufacture and technologies of SAC/FAC are researched and developed. Many of technologies and products, such as the manufacture technology of utilizing SAC/FAC to treat industrial wastes has reached advanced level in the world, and some of them have obtained national invention patents. More than 50 kinds of products are developed. All these achievements greatly promote utilization and upgrading of SAC/FAC.     Yuanda Co. owns 17 associated cement plants located in 11 cities and provinces in China. It is an unique enterprise to put SAC/FAC into industrial production. The technologies and the produds have been exported to Europe, Africa, Australia, Southeast Asia and Middle East region. Creating significant social and economic benefit.

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