CTK is a manufacturer in Taiwan and has been committed to developing RJ45 connectors since 2003, which owns two factories in China. We have professional R&D capability and perfect producing quality with clients' reliability. Our main products include 6P6C, and 8P8C connectors, highspeed modular jacks, and transformer jacks. We also developed structured cabling system-related products, like RJ45 keystone jacks, coupler jacks, patch panels, and other accessories. Recently, we developed our intelligent structured cabling system trusted by our clients. We offer customized services for your needs. CTK owns  ETL, UL, CE, PPPoE, and UKCA certifications, which are worthy of your trust.