the cold cutting characteristics of Wonlean waterjet cutting machine and the cutting method with high efficiency and environmentally friendly can fundamentally eliminate the risk of dangerous goods cutting and make the cutting operation of dangerous goods safe, simple and efficient. It is an epoch-making significance for the cutting field of dangerous goods. Wonlean portable waterjet cutting machine has been widely used in many fields, such as petroleum, chemical industry, coal mine, weapon destruction, emergency rescue and so on.