Aijiren is a manufacturer specializing in 2ml 9mm hplc vials. Aijiren’s customers are located in more than 70 countries around the world. Aijiren has created the title of China’s well-known laboratory consumable supplier with service and product quality. View More. 5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore.