VAHTS PCR-Free DNA Adapters for MGI is a library preparation kit for BTU high-throughput sequencing platform, which is applicable to multi-sample PCR-Free DNA library preparation for BTU high-throughput sequencing platform. Kits Set 1-Set 4 contain 96 different Index connectors. All connectors provided in the kit have undergone strict quality control and functional verification, which ensures the stability and repeatability of library preparation to a large extent.