The ZHYCQT-II type inflatable working life jacket for fishing vessels is designed and manufactured according to the standard SC/T8149-2015 "flat inflatable working jacket for fishing vessels".The products have been approved by China Classification Society CCS. It consists of an airbag with an automatic inflator, a CO 2 gas cylinder, a mouthpiece, and a jacket with a reflective tape. The product features light weight, comfortable operation and breathability. It is suitable for life-saving use by fishing vessel operators, and can also be used as personal protective equipment for leisure and lifesaving.