本产品最适宜盛夏旅游者,高温工作者野外工作者使用,外形美观,别致,戴在头上可使人感到明显的凉爽,同时还兼作安全帽,技术简单,制作容易,使用廉价的致冷剂,无污染,对人体无害,不需外加能源,使用方便制冷量不小于1044卡/小时。本产品属于塑料制品,可选用聚氯乙烯或其它性能接近的塑料制做,凡有能力制造 This product is most suitable for midsummer tourists, field workers using high temperature workers, beautiful appearance, chic, wearing the head can make people feel significantly cool, but also doubles as a safety helmet, technology is simple, easy to make, using cheap refrigeration Agent, no pollution, harmless to the human body, without additional energy, easy to use cooling capacity of not less than 1044 cards / hour. This product is a plastic product, the choice of PVC or other properties close to the plastic, where the ability to manufacture