Ningbo Excellent New Materials Co Ltd. (Hamag Group) is a renowned manufacturer specializing in laboratory chromatography consumables. We offer a comprehensive range of high-quality products including HPLC vials, TOC vials, Headspace vials, safety caps, silicone PTFE septum, Graphitized carbon, SPE, filter vials, syringe filters, and crimpers. Our superior products are designed to meet the stringent requirements of today's modern chromatography laboratories. Additionally, we provide sales and consultation services to ensure that customers receive the support they need when selecting the most suitable consumables for their laboratory needs.