... Water-proof, fire-proof, Low cost. Environmental prote Sichuan Xinhe Building Materials Co., Ltd. was founded in 1990, the founder is ... excellent characteristics are as follows: 1 Nonpoisonous,no taste, pollution-free,green and environmental protection; 2 Good fireproofing characteristic,nonflammable material ... material ofwood board,gypsum board and calcium silicate board High building wall panel