Aijiren offers pre-cleaned 40 ml glass vials certified for Total Organic Carbon (TOC vials). We offer TOC vials certified to contain less than 10 Parts Per Billion (PPB) and less than 20 Parts Per Billion (PPB) for use in pharmaceutical and biotechnology applications. Sample storage vials, also known as chemical glass storage bottles, or sub-packaging bottles, are suitable for the sub-packaging of various pharmaceutical intermediates, high value-added chemicals, biological preparations, cosmetics, cosmetics, essential oils, and other products, suitable for long-term storage and transportation of products, Has excellent sealing performance.