This detergents can wash thoroughly after machining of metal by a variety of oil left and in order to follow the smooth precision machining processes, the corrosion rate is almost zero, cleaning rate of 95%. Lotion is absolutely no toxic ingredients and irritating ingredients, rapid degradation of sewage liquid, do not pollute the environment, is a new generation of environmentally friendly products. Avoid the traditional thermal cleaning and solvent cleaning ills, by the majority of users.