This is a custom FPC (flexible printed circuit) ribbon cable for a US client:
This product utilizes an FPC cable measuring just 4.2 cm in length, making it suitable for various compact devices; it features a design that converts a USB-C male connector to a USB-C female port.The product was fully customized according to the client’s specifications and equipment requirements; we ultimately developed this solution, which integrates perfectly and enables simultaneous power supply and data transmission.

Regarding its performance:
It supports data transfer speeds of up to 40Gbps, power delivery of up to 120W, and 8K video output.
Here are actual photos of our products.
