The screw pump has a ideal design, compact structure, reliable property, save energy resuurce durable etc traits. It transmit of agitate the media being combusible easy to explosion, volatile poisonous, corrosive or of great valued. It is also topping the list of moderniged equipment for the non-leakage factories. Among others the CQ series magnetic pump after having been appraised by the ministry won the honorable title of the international advanced product. as its main performances have reached the standard of the world. It's suitable for maried medium, flow rate, Life, temperture, specific gravity and use conditions, We supply appropriate size and pump with different materials. The corrent parts materials can be class sified in three types and more than hundreds of standards, such as engineering plastic pump, stainless steel pump and fluoroplastec pump.