This offering is widely used in fire control work, the product through the quality system certification, is a highly textured works ladder.
此款产品广泛地用于消防工作，产品经质量体系认证，是一款极有质感的工程梯。
En 50575:2014 Power, control and communication cables. Cables for general applications in construction works subject to reaction to fire requirements.
2014标准是对电力、控制盒通信电缆在建筑施工期间要符合防火性要求。
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