Zhangjiagang Leader Fireproof Construction Material Co., Ltd is established in 1994 with advantageous geography area. The factory covers 50,000 m2, and the distance to Zhangjiagang Port & Zhangjiagang Bonded Zone is about 10 kilometers. The proportion of high-technology staff achieves 35% of the whole company, the annual production of category Eron and leader brand magnesium oxide board is about 8,500,000 m2.