Being supported by an advanced and specialist IT team, we could give technical support on pre-sales & after-sales services for 4.5×4.5, 2x4, usb connector type-c, slide switch on off,12 volt barrel plug. Welcoming interested businesses to cooperate with us, we look forward to owning the opportunity of working with companies around the planet for joint expansion and mutual results. The product will supply to all over the world, such as Europe, America, Australia,London, Gabon,Riyadh, Angola.Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.