Zhejiang Aijiren Technologies Co., Ltd. - Autosampler Vials, Cap & Septa. 1. 1. 1. 1. With ISO:9001 and SGS approved, Zhejiang Aijiren Technologies Co.,Ltd. has been manufactured chromatography consumables for more than 10 years. With 10,000 sqm plant and 100,000 class clean shop, Aijiren manufactures more than 500 products, such as HPLC vials, GC