Zhangjiagang Shenggang Environmental Fireproof Construction Material Co., Ltd is established in 1998 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 categories of “Shenggang” & “Jvlong” brand magnesium oxide board is about 8,500,000 m2.