This product is in accordance with GB12706-2008 "Rated voltage 1kV to 35kV extruded insulated power cable and accessories", GB12666.5-90 "Wire and cable bundle burning test", IEC60754 "The material taken from the cable or optical cable releases gas when burning Test methods" and IEC61034 "Determination of Smoke Density of Cables or Optical Cables Burning under Specific Conditions" are produced. At the same time, it can also be produced according to the International Electrotechnical Commission's recommended standards IEC, British Standards, German Standards and American Standards according to user needs.