... foreign advanced technology,according to FDA and GMP standard manufacture,filter apparatus quality for import stainless steel while being hign- ... hot stability of the speed and chemical stability is good.Filter can stain except that most particle,apply precise stain ... have polytetrafluoroethylene(PTFE),polysulfone,nylon,polypropylene,acetic acid fibre 4.Filter hole have0.1UM,0.22UM,0.45UM,1UM,3UM, ...