... 2.more than 1200 professional workers name : disposable active face masks2.size : uniform3.colors : various ... 1996Business type : manufacturerProducts service : Non-woven face masks,active carbon masks,paper masks,gauze masks, ... Mid East Eastern Asia Western EuropeCertificates : FFP1, FFP2 , FFP3, EN149:2001 , CE0194, NIOSH, ISO9001:2000 ,FDAFactory ... 8625, any time is ok . disposable active face mask