... -toxicecology,environmental protection,wear-resisting dustproof,heat-insulated compressed wool felt(1) density:0.09-0.8g/cm3(2 ... PP woven bag(8)Company profile: Nangong Dingfeng Felt Co., Ltd. is located in Nangong City,Hebei Province.Our company ... retardant Sound-absorbing Cotton Felt, Felt workpieces , Entertainment Felt,Wool Pad.The products are mainly used in mechanism, electromechanical, chemical ...