... 5,Different size,color and packing Safety high of the Industrial Trunking 1,Tracking service2,Payment have ... to manage our factory,Products have got the certification of UL,FCC,VDE,GS,CE,our factory ... quality follow IEC 61386-21-2002 standard. 2.Length: 2.9m or 2m, etc.3.Combustion-proof ... .5.The materia than any factory.But the different size have different price. Safety high of the Industrial Trunking ...