Kinds of syringe filter, include welded syringe filter,economy syringe filter,sterile syringe filter,etc. 2)Do you have your own brand? Yes, we have 2 brands: Aijiren & Labfil. Aijiren is mainly for HPLC vials and cap. Labfil is mainly for syringe filter and membrane. 3)What are your advantages of syringe filter production? High capacity of