Introduction: Z-TEK, as the earliest professional manufacturer in China to enter the field of computer peripherals, has adhered to a complete and standardized operation mode of independent research and development, production, foreign trade, OEM/ODM since 1999. Its products have unique appearance, novel structure, rigorous process, excellent quality, and sound testing and certification, such as utility model/appearance patents, CCC/CE/UL/FCC safety certification, RoHS/REACH environmental testing, USB/HDMI/MHL/MFI membership qualification, and have been among the first to pass UL Cat.6 Link/Channel product testing in China, establishing a leading position in high-tech electronic products; Z-TEK official website: www.z-tek.com.cn.