... oxygen-free copper (OFC) multi-strand cable;5) Durable and highly flexible PVC outer jacket;6) Pure copper braid and aluminum ... product quality has question, upon test and find out if they are our fault, we can exchange or resupply to you ... Wiring, which all attained "CE", "FCC" and "RoHS" certifications, and they have been sold to America, England, Mexico, Germany, Chile, Greece, Australia and ...