● 外壳采用阻燃材质，离火自熄安全环保。

● 多种规格，位数可选，根据需求，随意组合。

● 纯铜导件， 表面镀层，导电性强，不易氧化。

● The shell is made of flame-retardant material, which is safe and environmentally friendly when it extinguishes automatically after leaving the fire.

● Multiple specifications, selectable digits, can be freely combined according to needs.

● Pure copper conductor, surface coating, strong conductivity, not easily oxidized.