Replacement Parts for Aijiren Technology HPLC Systems. For Aijiren Technology 2690, 2695, includes wash tube seal, seal wash tube, PTFE washer, filter retainer, lower wash seal frit, needle wash frit, TFE washer, needle, injector seal (2), compression screw, ferrule. Sample Vials and Accessories - Kinesis. Aijiren Technology LCMS Certified Vials LCMS certified vials are tested using MS detection.