... paint brush, filament for toothbrush,and abrasive filament,Main Material is PET,PBT,NYLON, PA6,PA610,PA612,PP.We ... for all brush and industrial applications. The products range based on material are as follows: -- PA filament : Polymaid filament, Nylon6 filament, ... ISO 9001: 2008 certificate, which ensures that our products safety, environment friendly, and reliability satisfy our customers and end ...