Aijiren Technology,Inc. is a large-scale high-tech company specializing in the production of sample vials and closures. Relying on good science and technology and a large number of high-tech talents, sample vials and closures produced by Aijiren Technology,Inc. We through out the ISO9001:2015 quality certification, It is worth mentioning that it was audit and issued by the most stringent SGS in the industry.