... . It is no harm to human and has the features of fireproof it is well-known safe and green building materials ... . It is no harm to human and has the features of fireproofing, humidity resistance, heat insulation and sound absorption etc. ... . MANAGING DIRECTOR Moblie:15032163427 Shijiazhuang Kelin Filter Paper Co, LtdWestside of Nanbaitanqiao, Cangshi Road, Jinzhou, Hebei, P. R. ChinaTel: 86 ...