国产一级一级特黄女人精品毛片_日韩精品无码卡一卡二_四虎永久在线精品无码视频_日逼视频网站免费_欧美一区二区久久_先锋美女情趣网站在线观看_性生活免费视频第一福利_四虎精品99免费_午夜亚洲精品国产_自拍偷区亚洲综合第一页欧18

·Fire safety belt is a kind of webbing with necessary metal parts that is tightly attached to the waist. It is used to bear the weight of the human body to protect its safety. It is suitable for firefighters to climb the ladder for escape and save themselves. The fire safety belt has a continuously adjustable length, and is composed of a webbing, an inner buckle, an outer buckle, a buckle and two pull rings. The design load of the fire safety belt is 1.33N, and its quality does not exceed o. 85kg. The webbing is a whole, seamless, with a width of {70 ± 1) mm. It has static load performance, impact resistance, high temperature resistance and corrosion resistance of metal parts.

· Comply with GA494-2004 (Fire Fall Protection Equipment) standard.