USA CMC-is a company who be loved by audio adorers who know music thoroughly and love music so much that produces the high class interface, hot components by their own professional technique and rich experience. As well as we know, CMC products had been brand mark in heart by audio adorers of the global by diligent popularize of years. Especially the top one products, Teflon tube and Red copper Teflon RCA jack. They are had good public praise and popular with China, Hong Kong, Taiwan, Korea, Japan, Australia, Singapore, USA, Canada and several nations of Europe. . . . etc. CMC has been worth to put trust on it successfully by the audio adorers of the globle because CMC is leads the same class of international products, no matter in technique, in qulity and even in the price. CMC's products are unique, authoritative and excellent that is sufficient to prove they have enough abilities of technology. Also we think there are many high class brand of international provide OEM service, no doubt to use CMC's products is the same as use other high class quality products. For this reason, we thanks for you validate CMC's products.