This series of products are manufactured according to ISO/IEC 11801,EIA/TLA-568-B and China YD/T 1019.Furthermore,their performance,tested by China Inspect Center for line Transmission of Mll,is superior to above standard,passed UL authentication.Excellent data transmitting performance,low delay time,low BER and excellent anti electromagnetic disturbance performance are achieved by delicate cable construction and using excellent material