Aijiren 2ml amber/clear hplc vials from China-Aijiren HPLC Vials. Tel:+8618057059123. Email:market@aijirenvial.com. HOME. Products. 1-4mL Autosampler Vials for HPLC, UPLC, GC. 16mm, 25mm Test Tubes for Water Analysis. 6-20mL GC Headspace Vials. 8-60mL EPA Storage Vials.