We have a full range of HPLC vials, GC vials, EPA vials, GC/MS vials, LC/MS vials, storage vials, syringe filters and filter membranes. We have more than 1000 products, and 20-30 NEW items every year thanks to our R & D team. 3.What grade of cleanrooms do you have for production? aijiren has 5,000 SQM 100,000 grade clean room. 4.