1. The quality goods motor type is 280 ferromagnetic, rotation speed is 9700 (and guarantee to use 3 years), the fake goods is 130 ferromagnetic, and only has 5000 rotation speed; 2. The raw material of quality goods is Taiwan original packing QiMei 757ABS, fall from 1m or higher still can be used normally is eligible goods, the fake goods is rebirth secondary machining retread plastic, cannot do high altitude falling test; 3. For technology's difference, edges and corners of quality goods' each detailed parts are clearly, and fake goods' detailed parts are coarse, without the feeling of high grade; 4. The filter net at quality goods' bottom is formed with machine plastic moulding, it's nontoxic and never peel, the fake good's filter net is adhered to it later by hand, it will be easily affected by weather or dust and then peel. In a word, fake goods' quality is bad. If need to know more about product's differentiation information, please contact our company! Beware of fake, to avoid causing unnecessary economy losing and spirit damnity. Our aim is: Be professional, be the best mini dust collector in China!