→ Asix Electronics Corporation (formerly MosChip Semiconductor). Asix acquired MosChip's PCIe/PCI I/O controller line.
The hardware ID identifies a WCH PCI Express to Dual Serial Port controller. This component, manufactured by Nanjing Qinheng Microelectronics (WCH), is typically found on PCIe expansion cards used to add RS-232 serial communication ports to modern desktop computers. Technical Breakdown pci\ven_1c00&dev_3253&cc_070005
The string follows the standard PCI (Peripheral Component Interconnect) hardware ID format used by Windows and other operating systems to identify devices. manufactured by Nanjing Qinheng Microelectronics (WCH)