... request)Technique of productionBy combing ,overlapping,needling ,the felt formed, and by using puncture furniture of needle ... ,seal,dustproof,sound insulation,heat preservation,moisture-proof,cold-proof,filtration.UseSeal ,dustproof,heatproof,sound insulation,Cotton ... to customers’ requests)Contact information:Nangong City Dingfeng Felt Co., LtdAddress: Qingnian Road ,Nangong City,Hebei Province ...