... environmental sensitivity, adopt to complex environmentAbove standard to YD/T2155-2010, YD/T1272.3-2005, YD/T1272.4-2007, Certificate of TLC, Patented ... cord have just past the certificate of TLC (YD/T2155-2010 YD/T1272.3-2005 YD/T1272.4-2007). Our products comply with ...